"Sexist Humor No Laughing Matter, Psychologist Says"

Summary:

"Jokes about blondes and women drivers are not just harmless fun and games; instead, exposure to sexist humor can lead to toleration of hostile feelings and discrimination against women, according to new research. “Specifically, we propose that sexist humor acts as a ‘releaser’ of prejudice,” says one of the researchers." - http://www.sciencedaily.com/releases/2007/11/071106083038.htm
Highly doubt anyone will come to the same conclusion about heightism. Short men have to learn to "take a joke" and "make fun of ourselves," despite men's overall higher suicide rates, and the correlation between height and suicide.