It's probably because an ancestor of yours felt exactly like you do and shamed them. So it formed a new taboos thrill related synapses and it passed down in the DNA of those who also took the other routes.
@Miram birth rates are crashing because the sexes don’t like each other, throw in buttsecks and it’s no wonder the world ends not with a bang but a whimper.
You’re right though. Taboo makes things more interesting.