it can be worse than zero-sum. If you dilute the workforce with idiots, you could wind up with a situation where projects requiring insight get completely derailed and moreover actually competent people get passed over time after time and quit the endeavor in frustration. This is what is happening in the sciences.
Market heavily distorted by governments wanting to fund science as a source of national pride. As you well know, number of PhDs correlates to national greatness.
