I think the problem is that the bad error messages make it unclear whether something is a syntax issue or a nixpkgs issue (this is somewhat worse with the dynam

I think the problem is that the bad error messages make it unclear whether something is a syntax issue or a nixpkgs issue (this is somewhat worse with the dynamic nature of Nix, although I personally don't actually think Nix really needs static typing all that much, but that would be one viable way of fixing this).