There was a contention that the government subsidizes humanities research. I demonstrated that, barring the rounding error that is the NEH, it does not. You reply that yes in fact the government does subsidize humanities teaching. I don't even know what to do with that.
Anyway, if loans were given out on an ability to repay standard then the biggest losses would be to health professions, criminal justice, early childhood education and other non-prestige career degrees toward which low income students tend to gravitate.