Oh and why don't we crusade against "anime" and "manga"?

Japanese:
anime = any animation, including Disney.
manga = any comic, including US comics. For old people, it even includes anime.

English:
anime = Japanese animation only.
manga = Japanese comics only.

Answer: because it's convenient like it is now. Let's not mix the two languages. Or then, PedoBear will have to go. Please think of the pedobears!