What to Comment on a LinkedIn Post You Disagree With: 18 Examples

Comments that question the sample, not the conclusion

Often the claim is fine and the evidence behind it is thin. Say that, precisely, without implying dishonesty.

5. "Genuinely curious about the sample. Is this across all your clients or the ones who stayed past 12 months? The second group would be selected for exactly the behaviour you are describing."
6. "Useful data. One caveat worth flagging: everyone on this list already succeeded, so we are looking at survivors. The companies that did the same thing and died are not in the screenshot."
7. "Strong claim, and I want to believe it. What was the denominator?"

Why these work: they question the method, which is impersonal, instead of the person, which is not. Example 7 is deliberately short. A single honest question can be the entire comment, and brevity keeps it from reading as an ambush. We get into the length question generally in how long a LinkedIn comment should be.

Comments that agree with the principle but not the prescription

The most underused move on the platform. You accept why something matters and reject how the author says to do it.

8. "The principle is right. The prescription I would push back on: post daily works if you already have something to say daily. For most people it produces 300 words of filler and a slow unfollow."
9. "No argument on the goal. The step I would not copy is doubling outreach volume, because volume and quality are different skills and this treats them as one lever."
10. "Completely agree this is worth solving. Less sure about hiring a specialist at seed stage. We did that, and the specialist was good, but nobody in the room knew enough to tell whether the work was working. Took us a year to find out."
11. "Right diagnosis, wrong medicine, I think. The problem you describe is a positioning problem. The fix you propose is a copywriting one."

Why these work: they split the post in half and reject only the half that deserves it. The author gets to keep their thesis, which makes them far more likely to actually consider the objection.

Comments that offer the opposite experience

Lived experience is the one form of evidence nobody can dispute. Use it plainly, and admit its limits.

12. "My experience was the reverse. I did exactly this for a year and got nothing until I changed the audience, not the format. Same effort, different room."
13. "Interesting, because the opposite happened to us. We cut posting frequency in half and inbound went up. Small n, obviously, and I still cannot fully explain it."
14. "This did not work for me, and I gave it two years. I keep wondering if it is a category thing, because it seems to land much better for consultants than for people selling software."

Why these work: "here is what happened to me" cannot be argued away, only contextualised. Note that 13 volunteers its own weakness before anyone else can. That single phrase, "small n, obviously", buys enormous credibility.

Comments that ask the question the post did not answer

The quietest form of disagreement and often the most devastating, so use it carefully. Only ask if you would genuinely accept a good answer.

15. "What would falsify this? Asking sincerely, because I cannot picture the result that would change your mind, and that usually means I am the one missing something."
16. "How do you separate this from the thing that was already working? From outside it looks like both changed at the same time."
17. "Where does this leave someone with no audience yet? The advice seems to assume distribution already exists."
18. "One gap I keep tripping on: who absorbs the extra cycle time? In every version of this I have run, someone downstream pays for it, and the post does not say who."

Why these work: a real question puts the author in a position to look good by answering it. A rhetorical question does the opposite, and readers know the difference instantly.

When not to comment at all

Restraint is part of the skill. Skip it entirely when:

• The post is personal. Grief, illness, a layoff, a health scare. There is no version of "well actually" that belongs there.
• You disagree with the person, not the idea. If you would let the same claim pass from someone you liked, close the tab.
• You have not read past the hook. LinkedIn truncates long posts, and plenty of objections turn out to be answered in the part you never expanded.
• The author is junior and the audience is large. Correcting someone early in their career in front of a big audience costs them far more than it costs you. Send a DM instead.
• You are angry. Wait an hour. The comment you write at hour one is almost never the comment you write at hour zero.
• Your objection needs 400 words. Then it is a post, not a comment. Write it, and link generously to the person who prompted it.
• The thread is already on fire. Once a comment section has turned into a pile-on, nobody in it is there to change their mind, including you.

For the situations where you do want to engage but disagreement is not the move, we keep a wider library of LinkedIn comment examples covering launches, milestones, hiring posts, and bad news.

Where automation fits here, and where it should not

We build Commenti, a tool that writes LinkedIn comments in your tone, so read our position with that in mind. Read it plainly too: LinkedIn's User Agreement prohibits third-party automation, ours included, and the risk is real. It grows with volume, speed, and generic output.

Our advice for this specific scenario is narrow. Do not automate disagreement. An AI comment can spot that a post makes a claim; it cannot know that you ran the opposite experiment in 2023 and watched it fail, and that missing detail is the entire value of the comment. A generated objection with no evidence behind it is just contrarianism with better grammar, and readers sort that quickly. Commenti's skip filters and approve mode exist for exactly this reason, alongside daily caps and human-like pacing that reduce, not remove, account risk. The broader tradeoff is covered in our take on whether AI comments on LinkedIn help or hurt.

The disagreement comment is the one you write yourself. Concede what is right, bring the thing only you have, ask the question you actually want answered, and let the author be a person rather than an audience. Everything else on your feed can wait its turn.