The distributed administration and diverse community structure also give it resistance to large scale bot and disinfo campaigns.
My main beef is that some design constraints of ActivityPub are generally poorly explained.
E.g, I've seen virtually no discussion about its "lossy" memory model. No instance sponsor can afford to archive all of the Fediverse message traffic. Hence, full search is impossible.
To me, that's a feature of ActivityPubs resistance to abuse. But others expect it.
@vicuzumeri Data impermanence and content obscurity is a feature as far as I'm concerned. @evan