I agree to a point, I think some people would pick up the development. Idk if it’d be librewolf or if someone would fork off that, but if Firefox completely shit the bed I think someone would pick up the mantle a bit. We wouldn’t have nearly the release cadence of firefox though.
If you’re into self hosting check out Owncast. There’s a very small group of us who are trying to get it off the ground. You host your own streaming platform that’s shared to the fediverse