The configuration of nix is not the time consuming part, most of the time it’s faster than other distro if you are a developer. The time consuming part is having an issue with a niche package, the only doc you have is the code and random github issue from 3 years ago that don’t mirror your config, and the nix evaluation doesn’t tell you which part of the config is the problem.
https://anubis.techaro.lol/docs/user/known-broken-extensions
If you have JShelter installed, it breaks the proof of work from anubis