Some more details on how Instagram is planning to build an ActivityPub compatible service... https://www.theverge.com/2023/5/19/23730070/instagram-twitter-app-competitor-leak
@mmasnick This is one of those moments, where creators of #ActivityPub would've wished they made portability a feature.
Meta has no reason whatsoever to make their accounts movable to another server. It's completely optional in ActivityPub, and server holder can decide that part.