The rivalry between ActivityPub fans and ATProto fans is akin to the rivalry between XMPP fans and Matrix fans.
It's good that we can argue the toss about the pros and cons of different approaches to decentralisation. Both the plumbing side of it, and the sociopolitical implications. It's all part of how we learn from prior art.
But let's not let these debates harden into holy wars. All open protocols with full Free Code implementations are a Good Thing(TM). Use what suits.