Author: Roumi Gop, CEO & Co-founder, Kretell Published: February 22, 2026
Table of Contents
- The Comment That Started a Career
- Why Most LinkedIn Comments Are Invisible
- The Three Comments That Actually Work
- Why Voice Matters in a Comment
- Comment Helper: How It Works
- The Warm-Up Act Strategy
- Frequently Asked Questions
Reading time: 5 minutes
The Comment That Started a Career
A partner at a Big Four firm once described how she got her first major client.
Not from a cold email. Not from a conference. Not from a referral.
From a LinkedIn comment.
She'd read a post by a prospective client — the CFO of a mid-sized manufacturer — about the cost of poor inventory forecasting. While everyone else left generic agreement ("So true! Great insight!"), she left two sentences: a specific observation about where the hidden cost actually lived in the P&L, and a question about whether they'd considered a particular approach she'd used with similar companies.
The CFO replied. Then messaged her directly. They met three weeks later. She won an engagement worth more than six months of her annual revenue target.
Two sentences. The right two sentences. In her voice.
That is what a comment can do when it's written like someone who actually knows what they're talking about.
Why Most LinkedIn Comments Are Invisible
Here is the uncomfortable truth about LinkedIn engagement: most of it signals nothing.
"Great post!" tells the author you saw their post. It tells no one else anything about you.
"So true!" is even worse — it suggests you agreed with something without being able to articulate why.
"Thanks for sharing!" has become such a reflexive filler that it has its own reputation as the hallmark of someone with nothing to add.
These comments exist. They generate a notification. They are forgotten within seconds by the person who wrote the post — and by everyone else who reads the comments.
At the other end of the spectrum is the comment that stops the scroll. The one that makes the author think. The one that starts a thread. The one that makes a third-party reader click through to the commenter's profile because whoever left that comment clearly knows what they're talking about.
The gap between these two outcomes is not effort. Most professionals don't leave better comments because they don't have the bandwidth to write something genuinely substantive on every relevant post they encounter. Writing a strong comment requires the same cognitive energy as writing original content — a specific observation, a relevant question, a well-framed challenge. Most people do not have that capacity consistently.
So they default to noise. Or they don't comment at all.
Both outcomes leave reputation-building on the table.
The Three Comments That Actually Work
Across professional contexts and industries, the comments that consistently build reputation fall into three types. Not because these are arbitrary categories — but because each one demonstrates a different dimension of professional credibility.
The Smart Question demonstrates that you read carefully and think deeply. It takes something specific from the post — not the main point, but a nuance, an implication, a premise — and asks a follow-up that only someone who genuinely engaged with the content would know to ask.
The author notices it. Other readers notice it. The commenter who asks the question that nobody else asked is often more memorable than the commenter who gave the best answer.
The Perspective Share demonstrates expertise. It adds something the post didn't have — a related observation from your specific industry context, a data point that extends or complicates the argument, a parallel from a different domain that reframes the original insight. This is the comment that signals: this person knows things. Their professional context is relevant. Their perspective is worth following.
The Contrarian Angle is the highest-risk, highest-reward option. It respectfully challenges an assumption in the post — not to be disagreeable, but because genuine intellectual challenge is one of the rarest and most valued things in professional discourse. The LinkedIn algorithm rewards posts that generate real conversation, not validation. A well-framed contrarian comment often generates more engagement than the original post.
The common thread across all three: they could only have been written by someone who actually read the post and thought about it. They cannot be left without engaging with the content. That is precisely what makes them work.
Why Voice Matters in a Comment
There is a fourth thing these comments need that is easy to miss: they need to sound like you.
The same comment written by two different professionals lands differently if one sounds like a generic LinkedIn response template and the other sounds like a specific person with a specific perspective.
Your writing voice — the particular rhythm of your sentences, your tonal register, the confidence with which you make claims, your vocabulary instincts — is what makes your comments recognisable across posts and over time. Readers in your industry begin to notice when you show up in a thread. They start to associate your voice with a particular kind of insight.
That recognition is what comments are actually building toward. Not individual reactions. A pattern of presence that makes people curious about who you are.
Generic AI comment generators break this. They produce technically correct, contextually appropriate responses that could have been written by anyone using the same tool. They sound like a well-educated nobody. They do not build anything.
Comment Helper: How It Works
Comment Helper generates all three comment types for any LinkedIn post — written in your authentic Kretell voice.
You paste in the post. Comment Helper reads it and produces three options: a Smart Question, a Perspective Share, and a Contrarian Angle. Each one is calibrated to the specific content of the post, written in the same voice DNA that powers your Kretell post generation — your sentence patterns, your tonal register, your professional vocabulary.
Not generic comment language. Your language. The way you would actually respond if you had twenty minutes to think about the post and write something worth leaving.
When you connect your LinkedIn account to Kretell, Comment Helper also gains access to your activity context — the specific conversations happening in your professional network. This allows the tool to calibrate comments not just to the post, but to the particular orbit you operate in: your industry, your typical discussion partners, the register that lands with your specific audience.
Without that connection, Comment Helper still generates three strong comment options. With it, the options are more precisely targeted to your actual professional context.
The Warm-Up Act Strategy
There is a specific way to use Comment Helper that compounds significantly over time.
Start commenting before you start publishing.
Most professionals wait until they have something to publish before they engage on LinkedIn. The result is that their first posts land in a cold environment — no established presence, no network recognition, no pattern of credibility already built.
Comment Helper inverts this. Three high-quality comments per week — one Smart Question, one Perspective Share, one Contrarian Angle, across posts from people in your industry — builds visible expertise before you publish a word. Your name starts appearing in threads that your target audience reads. Your voice becomes recognisable. People begin to follow you in anticipation of what you'll publish, before you've published anything.
When your first post goes live, it doesn't land cold. It lands in a network that already has a sense of who you are.
That is the warm-up act. And for professionals building a LinkedIn presence from a standing start, it is the most underused strategy available.
Frequently Asked Questions
Can I use Comment Helper for posts outside my industry?
Yes. Comment Helper generates comments based on the post content and your voice profile — it does not restrict itself to your professional domain. Commenting strategically across adjacent industries often surfaces unexpected opportunities and builds broader networks.
Does Comment Helper require LinkedIn connection?
No. Comment Helper works with any post text you paste into it. LinkedIn connection adds activity context that makes the generated comments more precisely calibrated to your specific professional network — but it is not required for the tool to function.
How is this different from just asking ChatGPT to write a comment?
ChatGPT produces a contextually appropriate comment in generic professional language. Comment Helper produces three comment types in your specific voice — the same voice DNA Kretell uses for your post generation. Over time, your comments and your posts sound like the same person wrote them. ChatGPT cannot provide that consistency.
How many comments should I leave per week?
Quality over volume. Three to five high-quality comments per week — across posts from people whose audience overlaps with yours — builds more reputation than twenty generic comments per day. The goal is to be remembered, not to be everywhere.
Can I edit the generated comments before posting?
Yes. Every Comment Helper output is a starting point, not a final draft. Edit to add specific context only you would know — a data point from your own experience, a reference to a specific project or client situation. The more personal context you add, the stronger the comment becomes.
Related Articles:
- The Research Oracle: Why ATLAS Is the Only AI Writing Tool Built Around Who You Are
- Why Your Voice Is the Last Competitive Advantage in an AI-Flooded Publishing World
- You Know It Doesn't Sound Like You. Here's How to Fix That.
Last Updated: February 2026 Word Count: ~1,200 words Reading Time: 5 minutes Categories: LinkedIn Strategy, Kretell Features Tags: Comment Helper, LinkedIn comments, voice-matched engagement, LinkedIn strategy