There are lots of non-moron Americans on the bbs, they just get overshadowed by the enormous abundance of 13 year old moron Americans. Unfortunately, the morons make the non-morons look bad if you look and judge only by the nationality of the posters.
(Note: not all 13 year olds on the bbs are morons, either, but the sheer abundance of moron 13 year olds make the rest of the 13 year olds look bad if you look and judge only by the age of the posters)