Yeah, those witches hats are only for cars.
When I did that helcam take down recently and old codger decides to get a birds eye view and hid under a tree adjacent to our drop zone ... the ground guys moved him along!
You get them, what about the ones who come right up and tap ya on the shoulder ... "gizza a quote on that tree there mate will ya" whilst your grinding a stump!
The busier the city the worse it gets.