The phrase taking it up the ass isn't homophobia, it means you're getting fucked by them and not in a good way just like everyone else.
Everyone has a butthole in which to get fucked without lube by canonical, but at least they don't wrap it in sandpaper like Apple or use a nail-ridden baseball bat like Microsoft. Arch and nix go slow and use plenty of lube, embrace gently butt stuff from your os.
Debian is a full day of romantic walks on the beach, fine dining, dancing, and taking in a romantic comedy, followed by easy quick familiar sex and then falling asleep in front of an episode of cozy reality television.
(It can become anything I imagine, but the defaults are just so comfortable...)
You buy the partner flatpack from ikea and compile the nervous system. Because you added all modules for the complete experience, they open their eyes and flee from your house.
NixOS just sits on your face. All the stuff in front of you is awesome. Though you might suffocate at any moment given the options. Oh and sticking your nose too deep into things might get you a broken nose.
Proof that the distro of choice has nothing to do with actually being as close as possible to your wants and needs, but rather of how cool it sounds... in your mind at least.