Earlier quoted context omitted.
Your first three points are very strong and insightful, but I somewhat object to your fourth. Individuals get loans for things that pay off in the long-term regularly - cars and houses, for the most part. I don't see any reason why college should be different, especially because the alternative is for taxpayers to subsidize it. The real issues are twofold: first, student loans are underregulated and very predatory in…
I think a third real issue is also important, the 'undue hardship' burden necessary to get rid of student loans through bankruptcy needs to be dropped.
The issue is that if lenders looked at creditworthiness for college loans the way they do for mortgages, either the price of college would have to decline precipitously, or they would trust far fewer people with that amount of money.