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.
“In fact, the Iraqi foreign minister admitted in March 2003 that Iraqi funds were sent to families of Palestinian suicide bombers who attacked and killed innocent Israeli citizens, and also 12 Americans in Israel in 2003.”