Thread necros are pretty common here. It’s new threads that seem to freak people out! That said, I think there are more popular threads than this one that you might have more luck finding discussions in depending on what you mean by tabletop wargame. There’s a fairly active thread for discussing board wargames that sometimes veers into PC games:
I’m also pretty sure I’ve seen a thread for minis-based wargames bumped several times since this thread last had a post in it, but I’m not sure what it’s called. This forum is also (in)famous for having unhelpfully named topics so searching for them can be difficult.
Edit: I’m probably thinking of this one, though it doesn’t have that much discussion in it:
