Yes you're right, better wasn't a good choice of words. My comment was in the context of replacing Ansible with Nix for making a reproducible system, as per the

Yes you're right, better wasn't a good choice of words. My comment was in the context of replacing Ansible with Nix for making a reproducible system, as per the linked article. I wanted to point out that alternative which will be much more familiar to most people, who perhaps aren't ready to jump to an entirely new paradigm, but still want a declarative config. But undoubtedly Nix is much more powerful. I myself have been meaning to try out Nix on top of my rpm-ostree system, for dev environments.