I agree, I'd much rather have a device that alerted me to the "error of my ways" as opposed to a letter in the mail containing a fine and a predisposed judgement of guilty.
As for the crotch rockets...we call them "donor cycles" around here for a reason

A positive attitude may not solve all your problems, but it will annoy enough people to make it worth the effort. Herm Albright (1876 - 1944)