Those opposed to libertarian paternialism should spend some time talking to people with sub-100 IQs. Seriously. Try explaining a basic concept like to someone who is as smart as half of the population. (Relatedly: I tell my liberal friends, mostly Ivy-league grads, that they should go teach at a rural junior college before spouting off that everyone is capable of obtaining a college education.) It's amazing what one learns about humanity when one actually engages humans.