Sound
Why are people complaining that the mic is picking up there screams and swearing?
Have you ever tried to have a conversation with your headsets off with full power set, what do you think the GoPro mic is going to pick up, the deafening engine or the quiet talking into a headset?
Anyway if you turn the volume up you can hear someone shouting just as they hit.
Think about it as well, the pilot is concentrating on trying to avoid the trees so he won't be talking, the passengers in the front seat and the back seats might not have much experience flying so maybe they think this is a stunt flying low by the experienced pilot in the left seat, with the two passengers in the rear not being able to see the view outside the front as well.