I keep running into this on community threads where someone asks about product UX habits and a reply suddenly veers into a tangent about unrelated features. The trick that works for me is to acknowledge their point first, then gently steer back without sounding like a moderator bot.
For example, on the SlotDesk Community I saw a user write: “That’s a fair point about the new dashboard layout, and I’m glad you brought it up. For this thread though, I’m trying to collect feedback specifically on the XL live arcade games navigation menu. Could you add your layout thoughts to the existing design thread instead?” That one sentence does three things: it validates, it names the original focus, and it offers a concrete redirect.
What I avoid is quoting rules at people or saying “please stay on topic” with nothing else. That reads as passive-aggressive, even when you don’t mean it. A light self-deprecating note also helps: “I’m guilty of thread drift too, but I’d love to hear your take on the online slots leaderboard sorting options here.” If you know the person, a private message works better than a public call-out, especially in fast-moving threads where people discuss slots with daily promotions or how to play PG Soft slots online without realizing they’ve hijacked the original question.
One practical detail from running small forums: if the same member repeatedly derails threads, ask them once privately, then let a staff member handle it. Public back-and-forth rarely ends well. For threads that naturally attract side conversations, I sometimes post a short “quick recap of the original question” as a reply, which nudges everyone back without naming anyone. That has worked better than any formal reminder I’ve tried.