This is a great point and I've postured similar thoughts in a post a few days ago. I don't think exclusivity is intentional these days but there's a real microcosm of ideologies that challenge wider adoption. Both technical and content-based.
View quoted note β
View quoted note β

It's very clear what the way forward is, however it's down to universal robust implementation from the various clients and usage of personal relays (or at least trusted ones where you can delete).