I don't want to go to the Bahamas on holiday. I hate islands. I want to go to Brittany, where it's cold and raining, and there's nothing fancy about it.
Schools are not intended to moralize a wicked world, but to impart knowledge and develop intelligence, with only two social aims in mind: prepare to take on one's share in the world's work, and perhaps in addition, lend a hand in improving society, after schooling is done.