For all the whining Element gets when it comes to being buggy, etc. The matrix protocol has solved the room moving part very well. Any alias of the room has the same validity to be the main room because the content is being stored on all the servers where people joined the room and the room name is just that an alias and you can have many of them pointing to the same room.

I understand it’s more difficult to do with the ActivityPub protocol, but something like that would solve this problem once and for all.