It might be going on all this time in one form or another. I mean, look at fiction and children, the dark is a pretty well respected thing. You're a cop, which would you rather bust in on, a well lit house or a dark abandoned one. Every horror film, ever scary story has darkness as a pretty common theme.

*She's going to just smirk, because she doesn't care if you heard that, she's been right more than you. She wins!*