"It turns out that small drones are safer near people than was thought."
"As part of the test, the researchers dropped a typical drone (a Phantom 3, weighing 2.7 pounds) on a crash test dummy at a typical speed of about 34 mph."
The Mavic is half that weight, and DJI sells many more than the Phantom series. I still wouldnt want to get hit on the head with one, but the possibility of fatality is remote if struck by one.