'he should NEVER be permitted to drive, blah, blah blah'.
Gotta love people that operate in extremes!
There is a fine line between expressing one's disapproval and acting like an idiot, she evidently chose the latter.
You handled it right. He shouldn't have taken the spot, but he probably learned from this experience.
I'll be in your position in a few years and I'm not looking forward to it.
I remember some of the things I did when I was learning to drive. 
