The thing is, it’s not zero sum! It would be perhaps better to do both! One personal observation here is that the sets of people who ended up working on IntelliJ Rust, rust-analyzer, RLS and rustc were mostly disjoint, although they were all in some-sense forks of each other.
So, I wouldn’t phrase this in terms of ditching nixpkgs, but rather in terms of having nixpkgs and then some more:
