Or perhaps the better question is why did the pilot deliberately provoke the authorities, prompting them to seek his arrest in the first place? He certainly did himself no favors, even if he wasn't committing the crime of the century.
I've noticed them on quite a few of the newer drones, they're a 'safety feature' that just happened to alter the sound generated by the spinning blades.
The older style of rotors would give you a really nasty cut if you got your fingers in the...
Convenient that throughout the press release there is no mention of how they are going to free up the sub-400' airspace for the Commercial Drone Alliance... well... it ain't rocket science, is it?
They will have to regulate all those pesky...