Enculturation is just to make it so people who otherwise cannot bear much economic fruit can at least not be producing negative value. Studying the classics, if

Enculturation is just to make it so people who otherwise cannot bear much economic fruit can at least not be producing negative value. Studying the classics, if nothing else, should at least produce a well adjusted human. That in and of itself has value. But those are the fringes of the education system. The core focus is on producing high value citizens that will produce far more than they take. This is abundantly clear if you look at the social valuations of high caliber students with fruitful degrees.