I don’t disagree with the theory, but I think it doesn’t work in practice on a platform like lemmy due to the federation. But that’s a cool thing about the fediverse is you can use an instance you like, and while you can’t just move everything, if an instance changes or you want to changes instances, you can. Or instances can evolve. Or you can even start your own, if you want full control and are willing to put in the work