Looking for some input on the Go Pro camera for bowhunting. What are everyones opinions on this camera when it is mounted to your bow?

I had never seen one till today. I guy at the range had one mounted on his upper limbs.

The Go Pro cam is great. But when you shot the bow jumps and you dont get the kill shot. Face it ,the best thing to watch is the punch thru of the arrow into the animal. Tree mounted arms work the best. My opinion.