For me there are two: - the nix language, very little digestible - a somewhat disperse community But it's still pretty usable and EXTREMELY better than mains

For me there are two: - the nix language, very little digestible - a somewhat disperse community But it's still pretty usable and EXTREMELY better than mainstream distros automated with Ansible. The real issue is that most people still do not know such systems (NixOS/Guix System) do exists and they are arguably the future.