> If you happen to have a necessity for such a thing, you're better off using Home Manager, else you would end up implementing parts of Home Manager by yourself

> If you happen to have a necessity for such a thing, you're better off using Home Manager, else you would end up implementing parts of Home Manager by yourself. So if I need to do X then I should use Y, but why do I need to do X? Maybe I'm missing it and it's really obvious.