Re:
Given he's been driving a car with wings to keep it on the ground. One of which just went if and gas somebody critically I'll in hospital. A go pro was hardly at the higher end if the risk. Though it's the same with head mounted lights, be it cycling, walking, running, in a cave. The helmets (most) are not designed for it.
Them F1 cars where designed for a crash thouh, just not that type if crash.
It's risk and with the camera only your own. Given you're riding a bike with sharp teeth, big rotating slicing tools, pointy bits that stick out all over the place...
I'll not wear one though, you look a nob with them on.