Wow, I am surprised that this exists! I had never heard of such a thing.
What I don't understand is this: the legal driving age (16) is supposed to be there for a reason--that supposedly kids under 16 are not ready for driving privileges yet. So how does "hardship" make a child ready for driving privileges? I can't figure this out at all. It seems that under-16 kids should at least be required to take a particularly rigorous drivers' ed course, and pass a particularly rigorous driving test, before getting a "hardship" license.
I just can't see how having a sick parent or a financial hardship could make a child ready to drive.