Nah, it's all about competition. You shoot the deer and you get one more notch on your belt. You catch a fellow hunter asleep and you get the right to give him a hard time for the rest of his life.
Yeah, that's definitely something people like you or I would do - but judging from the personalities of my friends who hunt, they would have definitely reached for the gun first, not the camera. That is, if they had a camera with them in the first place.

Of course, the person 'armed' with the camera could have been Holling Vincoeur.
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- trs