For some, that privilege is obsolete since they'll be making millions in the future anyways. Many others take advantage of that privilege and earn degrees. And others, well, don't.
That wouldn't change if they were paid by the school. Like any other school employee, they would be eligible to take cources at no charege if they chose to. Those who wanted the education could still get it, and those with no interest in education wouldn't waste everyones time going through the motions.