Most of the backlash pertains to the board members appointed to the new nonprofit. One of the members is a lawyer that has defended crypto and AI companies, another is ex-Twitter angel investor Biz Stone.
Mastodon's community usually has some kind of vague beef about one thing or another when it comes to Eugen and the decisions he makes for the project, whether it's a new feature or a design change or that he didn't do something that other projects wanted to do.