Python also has virtualenv, so what though? Like Docker, its a dependency nightmare, and a waste of space. Nix also wastes space, but it allows you to run separ

Python also has virtualenv, so what though? Like Docker, its a dependency nightmare, and a waste of space. Nix also wastes space, but it allows you to run separate versions of libraries and programs universally on the OS, and it allows you to rollback, plus it can be easily removed with a command (man nix-collect-garbage).