I don't know.
I wouldn't be surprised if it was because of the uneasiness with regard to male homosexuality. There seems to be more tolerance for gratuitous violence than this kind of thing.
Roger Ebert found it hilarious, but he also found it appalling.
I haven't seen it, but I want to see
Borat before I watch this. I don't know what the dealio is with these films, so I'd rather see them in chronological order.
I am intrigued. I have been for a while; I just don't watch many films.