If you are, or have ever been, a sysadmin, grab a bag of popcorn and cruise through this one. Thrills and chills! https://thomasp.vivaldi.net/2023/07/28/what-happened-to-vivaldi-social/
What happened to Vivaldi Social? | Thomas Pike’s other blog

A deep dive into the events of Saturday 8 July 2023, when user accounts started disappearing from the Vivaldi Social Mastodon instance.

Thomas Pike’s other blog
@timbray this is why I have resisted starting my own server. That's quite a harrowing experience, taking days to fully resolve even with a quite technical team with upstream dev support, all putting in heroic hours. I aint got that kind of time.