After an exhaustive and exhausting search to understand everything informed and objective that has been said about scaling and scalability of #activitypub and #atproto decentralized #socialnetworks the result is rather disappointing: The issue doesn't seem to be well defined to start with. There are many hidden (and varying) assumptions about what the target "global network" looks like, what functionality it must guarantee. It seems the squabbles are political, not technical in nature...