This. How many people get dropped off by a helicopter for skiing or fly around in wing suits? Not enough to support a camera maker. GoPro is marketing a lifestyle, and it's a heavily idealized lifestyle.
Meh, so is Red Bull marketing a lifestyle. But you have to be good at it. A couple years ago it seemed like every pre-teen snowboarder had one on their helmet. They failed to maintain their momentum.
Faddy product + long term displacement by random Chinese companies for 1/8 price == fail.