I wholeheartedly agree. From a purely technical analysis ATProto looks better as a protocol to me. But I don't use Bluesky I use ActivityPub because the people

I wholeheartedly agree. From a purely technical analysis ATProto looks better as a protocol to me. But I don't use Bluesky I use ActivityPub because the people I want to be connected to are there and not on Bluesky. I do think you could probably make improvements to ActivityPub that reduce operational costs. It's not something I feel the need to tackle right this moment because my usage doesn't incure those costs really.