You guys are thinking about this way too hard. The correct answer is: Japan is awesome and likes to give you options that are not set in stone so that when you inevitably want a change, as the human soul often does, you don't have to create 4 more accounts and crash Oasis with alts.

Ah, dang, it was joke, stop! Ouch! Stop hitting me!


In any case, I don't think that they need sad back stories where they are orphans or test tube babies. It would be fun to think of what could be, but I guess I can't really get into what ya'll are yappin' 'bout since I'm only at the part where Danzo becomes Hokage and they have to hide Tsunade's old lady face behind ninja spoiler tags such as Sakura's head and I thought that past Nagato was Shizune because they dressed similar but then I was like, waaaaiiiiit, Shizune's parents weren't killed by starving Konoha ninjas looking for wondrous canned food.

*Cough*