Rich Nost on Nostr: I feel like there's a broader context that I'm not aware of. Like what's the history ...

I feel like there's a broader context that I'm not aware of. Like what's the history here. Who are the players. Why does it seem like there are in-crowd devs and out-group devs and what, if any, are the philosophical differences that led to that schism. What are the major software projects that help color in the picture better.