>>I think the thing is, if the admin of your instance de-federates with another instance, you don't have much in the way of options if you want to follow someone on that instance.

>This doesn't happen often in practice, especially once they added a way for users to block instances on an individual level.

Not yet, but I think we can all foresee an instance or two becoming a haven for trolls, etc.

>You can export a list of people you follow and import it on the new one. Most people will refollow you. People move to new instances all the time and don't seem to have trouble recovering their following.

I feel that's something that doesn't scale well, though. And, how do they know it's me?