That wouldn’t surprise me. The PDS handling both authentication and data storage makes it easy to get started quickly without needing to do backend work.

I don’t see it as either. I don’t come to social media to engage in political discussions, so for me, the bigger issue is the lack of thriving communities around topics outside of national/world politics and technology. I’d love to see more places like startrek.online.

One (small) issue is that it assumes there *is* a client outside of the server. Most server apps have both a web UI and an API, and it’s even possible to build an ActivityPub server with no client API at all (microblog.pub was like that, IIRC). I think the ActivityPub C2S API was intended for servers that worked just like you’re describing, but IDK if anyone ever really implemented it properly.