In the long run macOS support will prove valuable for shaking out a ton of cross-platform build issues. I see the macOS support as a huge, compelling and underfunded reason to try nix. The fact that I can avoid homebrew entirely is incredible.

It helps me and my peers flex our Nix muscle regularly, which means when we have to do real Nix work it's fresh in out minds.

Sure, there are rough edges and baggage and purism pain but I wouldn't trade it for anything else.

Frankly I think nix-darwin should be rolled into nixOS.