Except it's already cost him 20 bucks, and he still needs to get a drivers license and possibly an I.D. Around here that would add up to about 100 bucks just to get going.
It's a great strategy though, set kids up where they're going to have to pay you 20 bucks right off the top. Now multiply that by the amount of people that are going to have to pay for somebody else's lack of foresight and you get:
Surprise surprise, your government wants your $$$$$$$