Board Thread:Naruto Discussions/@comment-3568954-20140618082452/@comment-24953394-20140618115223

They're either too out there and are called crazy by others, or people make up a theory that she herself is alien.

Kaguya is, literately, drunk on power. She's insane. She is not in her right sense of mind. That's all there is to it. If Kishi wanted to make her into an alien, then he'd want the sales to take a nose dive like a kamikaze pilot.