Not buying this one. I agree that it's OK to regulate the exercise, such as speed limits, no driving if you're blind as a bat and so on, but I think it's a right subject to responsible exercise, not a "privilege". It's that "all powers belong to the government till they dole them out" attitude that lets them tie your DL to completely unrelated stuff. Grades, child support, etc.
“Not buying this one. “
I don’t buy it either, but it’s de facto what states are saying in their laws today. Most everything in our personal lives should not be regulated including driving a car.