You cannot have police enforcement for petty misdemeanors like those, that's way too expensive. The only means-appropriate correction is social enforcement (i.e

You cannot have police enforcement for petty misdemeanors like those, that's way too expensive. The only means-appropriate correction is social enforcement (i.e. norms and values), but too many people think that society is other peoples' problem. That's one of the downsides of a hyper-individualist society.