uvs success is downstream of paying like 10 very good rust tooling developers to work on uv full time.

Full time effort put into tools gets you a looooot of time to make things work well. Even ignoring the OSS stuff, many vendors seem to consider their own libs to be at best “some engineers spend a bit of time on them” projects!

Yeah, it's pretty hard to argue that at least for the python tooling use case, the typical open source methodologies had failed to solve things as well in a couple decades as uv did in a few years as a startup. The lesson we should take from that is probably more up for debate.