It's all fun and games till somebody loses a finger.
Seriously though that's messed up. That would suck. I've done a lot of dumb stuff myself and been lucky. Sometimes you do something risky stuff without even realizing it until later. Like he said, seemed like a good idea at the time. He's handling it well.
I was mowing on a tractor once and stood up and started reaching for a branch hung up on the front when it suddenly hit me I was about to be a Darwin award winner. "Man runs over self with brush hog - dies."