Given that people who finished school make a lot more money than those that haven't, why should final 2 years of schooking be free? You could make this argumen

Given that people who finished school make a lot more money than those that haven't, why should final 2 years of schooking be free? You could make this argument about anything: Given that people who are well read make more money, why do we subsidise public libraries? Given that people with access to transport make wages higher than those without, is it really fair that we pay for highways out of taxes?