Unfortunately, they shot themselves in the foot by responding the way they did. They basically did the job of anyone who wants them taken down and not trusted. It was probably the worst way they could have reacted. Such a tragedy to lose such a valuable website.

MostlyMatter (FOSS Mattermost fork without user limits). https://framagit.org/framasoft/framateam/mostlymatter?ref=selfh.st

I learned about this today from the self-host newsletter.