No.
/end thread.
If warm pineapple can go on pork chops it can go on a pizza.
I mean, I like pineapple on pizza. Then again, I also really like Karthus and he is almost as nonexistent as Yorick or Urgot now'a days, so what do I know?
Anything can go on pizza. Pineapple, bacon, chocolate, turkey, truck tires, grass. Anything. Doesn't necessarily mean it tastes good, though.