Sadly this is the level of expertise in some local marine units. True that many are professional, but there are some that are totally clueless. One example was in Pensacola, Fl many years ago. My daughter and I were on the boat, she was at the wheel....I had been explaining the difference between the burdened vessel and the stand on vessel. Shortly the local marine patrol boat approached an a high rate of speed (no lights, no siren), I had been explaining that she should hold her course and watch for them to alter speed or course ... also telling her that a collision was to be avoided in all cases. Sure enough if I had not pulled the throttle back and come to almost a complete stop we would have been a statistic! I could also relate a story about the only scratch on a new boat, but that is for another day!