He admits in the thread that he was indeed shooting for the head. Inexperience as a bowhunter, plain and simple.
I would have to disagree with the generalizationor correlation ofinexperienced bowhunters and headshots. If you disagree, take a look at Rick Welch's second video.
Not saying I am for or against the shot, I really do not have an opinion either way.
Here is a pretty neet video to take a look at though (watch the whole thing):
here