Nothing a good punching wouldn't solve.
There are some thick, pig ignorant, arrogant, tosspots around in aviation. Many seem to fly helicopters too.
Oh dear! Planks and Egg Whisks again!
Gorilla, your attitude would seem to be based entirely on ignorance.
I bet you don't have a helicopter license - ever flown in one?
It really is a totally different ball game compared to fixed wing.
The right thing to do here would be to speak to the pilot/school in question and point out better places for them to practice hovering.
Getting all aggressive doesn't help anybody.
SB