>I am totally against Python tooling being written in a language other than Python. I get that C extensions exist and for the most part Python is synonymous with CPython.

>I think 2 languages are enough, we don't need a 3rd one that nobody asked for.

Enough for what? The uv users dont have to deal with that. Most ecosystems use a mix of language for tooling. It's not a detail the user of the tool has to worry about.

>I'm against it creeping into an existing eco-system for no reason.

It's much faster. Because its not written in Python.

The tooling is for the user. The language of the tooling is for the developer of the tooling. These dont need to be the same people.

The important thing is if the tool solves a real problem in the ecosystem (it does). Do people like it?