On Reddit I have so many subreddits with each subreddit with a lot of people on that particular topic.  That is a great way to learn and interact.

On X, hashtags will get you the information you seek.

Damus, although tiny has hardcore bitcoiners.  Some freedom and privacy minded folks (people do not care about privacy enough though).  And Damus has ultimate freedom.  No KYC.  
The problem is damus is that it is way to tiny. And I have heard bitcoiners here for over a year say “we are very early”..and “we want to grow slowly and attract only people like us”..so I don’t know.  It is hard to grow.  Throwing around a little bit of sats is nice I guess.  But I like information and dialog about topics I am interested in.