Why don't they.....
Raise the driving age to 24
Stop these idiots from driving fast ish cars, fit speed restrictions to every car owned by a spotty oik.
If caught drink driving, 5 year ban, if caught driving within this time frame after being banned, the rest if the ban time spent behind bars.
If caught speeding, ban them for the amount over in years, then the above applies.
If involved in accident or cause of, 5 year ban.
All novice drivers fall into categories as new motorcyclists, CC restrictions.
Failing all of the above, 50 cal bullet in head for driving like a loon.