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.
If no one could get a degree, employers would have to change their requirements to reflect this. Otherwise they won't be able to find any employees.
Universities need to have their classrooms filled to stay in business. If attendance plummets, then they will be forced to adapt by reducing tuition prices and reducing expenses, i.e. providing less amenities.
They wouldn't change the requirements. We see it now. When a company can't find "qualified" candidates, they outsource it to international contractors.