This is an interesting observation because when I thought about it, I realized that it has basically been the antidote to social media burnout for me.
Most social media (IG, Twitter etc.) - a find to be a total shitshow and I subscribe to the idea that they cause depression, anxiety and tend to make your life worse.
What can be good though is a small and well moderated community that's focused on a particular interest which everyone in it shares. These can be really rewarding to participate in.
In a somewhat different way, the phenomenon also manifests in the shift from public social media to private online e.g. Telegram chat groups - those don't seem to be as soul-sucking as IG or Twitter, either.