Nobody knows anything about Taiwan. You can joke about all the weird organs you're expected to eat as part of Taiwanese cuisine and you will just get blank stares. ("...and there was the Taiwanese guy, eating all the chicken uteruses! Come on. Anybody? Chicken uterus. Taiwanese people eat them.") Someone from the back will yell at you to do some kung fu and then it will all go downhill from there.
Even if you're not doing comedy formally, this really puts a damper on joking around with your friends. You're just sitting there, ribbing each other good-naturedly on your various stereotypes and then someone tries to rib you back and they're all, "Well... why don't you go... get some straight A's or something." Then the whole evening is ruined and everyone has to go home.
Part of this is due to a larger problem...