Very good summary of some of the weaknesses in the Fediverse. Federated systems are not as good as fully decentralized ones. Today I'm starting a new experiment on my own web platform called quanta.wiki (I'm a Java developer) to investigate how to make it fully decentralized where everyone at least (at first) holds a copy of their entire fiefdom. Once the 'fiefdom' is not able to be shut down by targeting it's DNS name (hosting service), we can have a social media infrastructure that cannot be censored at all, like a blockchain.