Joking aside, I think what we see in the larger scheme is a fracturing of social media. More choice, more competition.
This is a good thing
hopefully one day we lurk at the same protocol and type: with more federations, more choice. This is a good thing.
Has anyone from the blockchain and federated world found a UX for key management that doesn't suck? Same problem, same non-solution afaik, for how many years now?
Pre ~2020 4chan was rather open and unmoderated, but also had CSAM issues.
All your friends are here. All nazies/wokes are there. There's nothing and nowhere to discuss.
You are also correct there is nothing new here, groups have been able to create very small echo chambers if they want, many options today.
Nor do they have to be "echo chambers", there are places in the middle which largely remain unexplored. This is where I've charted my course in ATProto