The "town square" is former Xwitter marketing to give it relevance, which you could say it had until the son of South African emerald miners got involved. It was due to especially media types being fond of that platform. News broke there, hashtags trended, movements started. That's gone now.
Lemmy isn't that. It's a fediverse place to find mostly niche content for people who got fed up with reddit.
I can count people who love so-called AI in my circle of friends on one hand. One hand that suffered a near catastrophic accident at the saw mill.