Has anyone considered that if Congress repeals section 230 that mastodon almost certainly dies? If every person who runs a server is legally liable for what people post (or even what gets reposted automatically) then there will be no servers. Or maybe one big one with a subscription, but that’s it. Shared internet doesn’t work when you’re liable for everyone else’s behavior.
Focusing only on "incremental development” is inadequate and smacks of privilege. We’re 100 years into a truly radical, Jim-Crow-fueled land-control experiment that segregated neighborhoods and froze our most valuable land. We're not going to gentle-density our way out of this.