Isn't #JaronLanier just describing the #fediverse here? Is it really possible he doesn't know about it? His groups are like our servers, small and locally moderated with an incentive to maintain a good reputation. But where it's easy to switch. Hmm...
https://www.theatlantic.com/technology/archive/2022/05/how-to-fix-twitter-social-media/629951/