Your email server doesn’t also run the group email list and all the join/drop/approve/ban operations. And if you bring your own email domain name, you can go somewhere else and get no disruption. But if you sign up for me@hotmail.com and hotmail bans you, you’ll lose all your connections and conversation history.

The canonical list of operations on a social media platform far exceed that of an email service, a bulletin board, or a messaging service group. It’s apples and rocket ships.

Bluesky is offering simple one-stop answers to a lot of these concerns. Fediverse needs to answer all these, plus address the whole long-term financial sustainability question.