I tell you.
Each and every day, I wish more and more for manditory driver re-testing. I just can't get my head around another solution.
The person that waits for two clear lanes, when they only need one.
The person who can't figure out what an acceleration lane is for.
The ones that can't remember that right turns on red are legal (here, at any rate).
The ones that block intersections, to save some imaginary time they'll only lose a light later.
Retesting in exchange for lowered premiums? Free cookies? Right to rear end the deadweight out of your path. I don't know....