Wow, I always imagined Activitypub to be the better protocol and AT a cheap knock-off, but reading this article made me realize at is, actually, way better - primarily because multiple programs can access the same identity. This is really a great feature to have! This article was a real mind-opener for me.
Every one of these "How AT proto works" explainers focuses on data ownership—which is where ATProto shines—and glosses over data processing, where ATProto is decidedly weaker than ActivityPub. ATProto is built on a global, public view of the world, where all events are visible to a trusted global "AppServer" that can make all of the decisions for you—how to create your feed, who can see who's posts, etc—all of those…
We are currently working on something based on https://fedify.dev
Would you consider that can provide more complete AP functionality?