This would save young Americans from going into crippling debt, but it would also make a university degree completely unaffordable for most. However, in the age of the Internet, that doesn't mean they couldn't get an education.
Consider the long term impact of this. There are a lot of different ways such a situation could go, for better and for worse.
They wouldn't change the requirements. We see it now. When a company can't find "qualified" candidates, they outsource it to international contractors.