What you call “fragmentation” is perhaps better described as “multiple moderation philosophies applied to the same topic” and is actually a fundamental aspect of the ActivityPub protocol, which was designed above all else to create platforms that resist centralization.
I’m not saying you’re wrong to dislike it, but it is definitionally impossible to have both decentralization and centralization at the same time.








Instance admin here, this is backwards. Instance costs increase with the number of users because we don’t sell ads. The only people we want signing up for accounts on our instance are people who are excited to be there, and intend to bring their singular wit and conversational A-game.