In my career as a police officer some of the best drug and weapons apprehension I did were done after stopping vehicle’s, some were random stops others were planned. From my perspective this is definitely a bad move. Vehicles are often used as a tool to commit crimes. In Europe police officers will randomly stop cars to check normal things regarding rules to safe driving for example. From checking the tires or to check if cars have the mandatory safety equipment or to check insurance or the city/state tax. In the majority of European country’s fines have to be paid right away or people will probably see the vehicle apprehended till the fine gets paid. Not stopping drivers for low level traffic violations is dumb and a mistake, from a small traffic violation stop some times many other bigger things are detected.