Engagement bait is content designed to goad people into reacting — "comment YES if you agree," "tag a friend who needs this," "share to win" — not because the prompt is genuinely useful, but to manufacture engagement and trick distribution algorithms into showing the post to more people. It is a well-documented platform problem, and Meta has publicly stated that it down-ranks posts that use these tactics so they reach fewer feeds.
For an advertiser focused on the comment section, engagement bait matters in two ways. First, baiting your own audience can backfire: it risks reduced reach under Meta's stated policy, so the cheap engagement you bought may quietly cost you distribution. Second, and more practically, bait-style prompts tend to flood a thread with low-value noise — one-word replies, tags, and copy-paste chains — that bury the comments that actually matter.
That noise is exactly what a moderation workflow has to filter through. The signal you are looking for underneath it is a buyer-intent comment — a real question or purchase signal — which is the opposite of bait-driven volume. Keeping the two apart is the point: hide or de-prioritize the noise, surface the intent. For tactics on cutting the noise specifically, see how to stop spam comments on Facebook ads.