Comment by civodul

Good point. It's telling that many Nix vs. Guix discussions focus on three topics: DSL, popularity, and non-free packages. Few people talk about package quality control even though it's rather crucial for day-to-day use.

A while back I wrote about what it means to package something like PyTorch with the kind of quality control Guix has: https://hpc.guix.info/blog/2021/09/whats-in-a-package/