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 don't think it's the job of filmmakers to give anybody answers. I do think, though, that a good film makes you ask questions of yourself as you leave the theatre.
I've had a wordless phase, and that's still not entirely over: what I sing is not always literally meant that way, and you can hear that in the way it is sung.