I considered doing the same but then remembered all the cases where I encountered problems that could have been solved by a deleted/missing post and decided to keep mine.

I think it might actually be more complicated than a quick patch but I do think they're going to end up adding that at some point, it would strengthen the entire fediverse

I was under the impression that accounts cannot yet be migrated to other instances, you can just create a new account on another instance but you'd start with an empty account without your previous posts. And your name might already be taken of course.

I'd love to have a migration option though because that would solve a lot of problems.