Any instance that did this wouldn't care, they have all the users See also Google talk, Facebook messages, literally any other thing that was once open access

Any instance that did this wouldn't care, they have all the users See also Google talk, Facebook messages, literally any other thing that was once open access ever by a big company. That racist Twitter gab is an isolated Mastodon install last I heard if you want to see this in action, though I wouldn't recommend going there