NixOS people are kinda like Jehovah's Witnesses of Hacker News. Every time someone mentions Linux problems there is that one guy asking "But have you tried Nix?". No offense I just find it funny.
2. nix is just package manager and configurator of sh which forces to write idempotent sh code with explicit dependencies(just good practices right? check guidelines of any non nix solutions and you will find out that 90% of these rules are just nix). nixos, nix darwin, nix home manager final artifacts are just just idiomatic dotfiles, so nix does not exist.
1. *nix problems, including bsd including darwin.
2. nix is just package manager and configurator of sh which forces to write idempotent sh code with explicit dependencies(just good practices right? check guidelines of any non nix solutions and you will find out that 90% of these rules are just nix). nixos, nix darwin, nix home manager final artifacts are just just idiomatic dotfiles, so nix does not exist.