How about this:
Imagine your auto mechanic is tired of working for his boss after eight years, he thinks he can do a better job, he goes to the bank, the bank loans him $100,000 and he opens up his first business.
The market dries up on him through no fault of his own. It happens: let's say that he's not a drug addict and not an alcoholic, let's imagine that he's a hard worker, but sometimes the economy just craps out and suddenly nobody can run a car let alone get it fixed.
The court hears his case. They say "that sucks, but here's a court order for your bank; they're going to be upset, they're going to say that it should be your responsibility to pay back that loan, but we're realistic - we'll protect you, you don't owe anything."
Seven years later, the court says "you can go ahead and try to run a business again."
But the auto mechanic who borrowed $100k for trade school is still penniless seven years later, because the school debt is still there while the business loan qualified for forgiveness.
Why? What is so magical about a school loan that it's not considered the same as when a bank says "here's a loan to start your own business"? Afterall, we tell our kids that higher education is an investment in one's own future; so why is it that in the business world a debt can be forgiven in extreme situations, but in the case of education, "hey, it's your responsibility!"