Sorry, should have clarified - I was speaking on the part of many academics. In my department, most people (faculty) have abandoned Twitter and a fair few have started on bluesky although more just don’t use the format in any context anymore. I only know of one who uses Mastadoon.

But we did leave and if (or when) it becomes enshitified, we will move again. We don’t need an idealised platform, we just want something easy to use which doesn’t (yet) have the baggage and culture of twiXer