Of course, "ninja" is a negative word itself. It means the people that have no honour and will disguise itself in woman clothes,hide in the night, attack when t

Of course, "ninja" is a negative word itself. It means the people that have no honour and will disguise itself in woman clothes,hide in the night, attack when the victim can't defend herself, kill someone, and then run away. They are the antithesis of "samurai" in Japan culture. They represent with pirates a life free from remorse of doing whatever you want without restrictions. People fantasies with having sex with everybody, raping, stealing, traveling all world and killing their enemies, this doesn't mean they do.