For me, literature is a complex game, both mental and concrete, which is acted out in a physical manner on the page.
We should be proud that our Prophet came into the world with the message of Islam to change it for the better, and not for the worse, or to keep things as they are.
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.