Remember the forest fire water bombers had to park because of too many drones filming the action. This was both in USA and Canada.
Filming Airplanes landing. Filming Vancouver hi-rise apartment at night. Public Drones competing for air space with news helicopters. (like why you need a news or or traffic chopper in this day and age?) And many many more.
Anti (public) drone technology is on the rise. Tech includes lasers, radio waves and sound waves is what I seen so far.
https://nakedsecurity.sophos.com/2015/10/28/man-who-shot-down-drone-had-a-right-to-do-it-says-judge/
