The only real point being made was that less intelligent people currently tend to breed more often than more intelligent people, which has potential to lead hum

The only real point being made was that less intelligent people currently tend to breed more often than more intelligent people, which has potential to lead humanity toward the scenario depicted in the movie. People enjoy it (or at least I do) because it's hilariously scary to think what a world entirely populated by Honey Boo Boos would be like.