AAQ: Your comment is not just misleading, it is downright incorrect.
1. The percentage of Americans attending college today is about the same as when Rav Moshe was niftar.
2. The rise in college attendance before this time was due to females starting to attend college, where previously women mainly did not. Male college attendance has actually gone down.
So, it is the exact opposite of your claim and point.
On top of all that, the standard of livelihood required is bare minimum. “Kach hi darkah shel Torah — pas b’melach tochal etc.” — Bread salt and water. If you have that, you have parnasah. The Rambam writes that a typical Baal Habayis works 3 hours a day and learns 8 hours a day.