The fact that the fediverse is young and evolving is what excites me about it.
ActivityPub has been around for 8 years, and IMO, the Fediverse is not evolving. It is not federating the way ActivityPub was designed for.
I want Mastodon threads in Lemmy. I want PeerTube subscriptions in Lemmy. I want to subscribe to Pixelfed users in Lemmy. I want all of these different ActivityPub communities to talk to each other.
I want to go to my front page and have it be the ultimate front page for me. Why should I be forced to use different pieces of software that pretend to communicate with the same protocol?! Lemmy is supposed to be a news aggregator, so fucking aggregate!