I doubt that a "warning" would be as memorable as getting a ticket. Who knows, maybe they're doing that too, as well as writing a few tickets.
Seems to be enough of them to lurk downtown and harass peds. That qualifies as a “horde” in my book. In fact one azzhat with the full power and authority of The State qualifies as a horde. Try taking one on and see if he is not a “horde”.