Indeed, and this is reinforced by a couple of stereotypes. These are repeated in web forums frequented by musicians: People won't dance to a tune that is not absolutely familiar -- why a small handful of "classic rock" hits continue to be played. Second, the purpose of the music is to keep the women dancing, and the purpose of the women dancing is to keep the men drinking.

Disclosure: I've played in a lot of bands, in a variety of styles.