People are fascinated by evil because it's mysterious and it doesn't seem to have a rationale behind it, and the second you say that Hannibal Lector was abducted as a child and he had to eat his sister or something like that, it becomes immediately mundane. The character becomes mundane.
I think, especially when you're in college, each book that you're reading tends to tell you who you are.
People know about the Klan and the overt racism, but the killing of one's soul little by little, day after day, is a lot worse than someone coming in your house and lynching you.