When we flatten out the differences between the different social networks, we'll start with their RSS feeds, if it works, ultimately there will be no need for different social networks. And again, if it works, we'll bring back the features of the open web that Twitter left out.
This is a much better approach to federation, delivers the benefits long before hashing out the diffs betw ATP and ActivityPub will take. And we really have the choice that Bluesky says they will deliver, and yes, it will also be billionaire-proof.