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.
“Well, the truth is always what should be told. And the truth and the knowledge of the truth is what everybody should represent, regardless of the consequences of doing it.”
“I would gladly do it but I am suffering from social phobia. I cannot manage being in a crowd of people.”