Does it really mean that though? If that increase in dumber people going to university also shifted the programming to fit dumber people better then have we act

Does it really mean that though? If that increase in dumber people going to university also shifted the programming to fit dumber people better then have we actually given more people a university education, or have we made university the new highschool? Also, we jacked the cost of education through the roof to build the supply for all these people, which diminished the net benefit of university dramatically for many fields