One guy who was a regular at a bar I worked at would shoot a couple dozen a year, or more. If you think it was for "sustenance" or any of that meat went to aboriginals...you're on drugs.
He'd shoot one for ANYBODY with a few bucks. He'd tag allong with you if you wanted to shoot one yourself, and take care of it if the warden showed up.
I'm not saying all aboriginals are like that, he defenitely not the only one I know around here. Allowing ANYONE to kill an uncontrolled number of animals is not sustainable. Anybody who wants to kill an unlimited number of game animals, on any sort of "traditional" gounds, should have to do sho with traditional hunting impliments. I wonder how many moose would be harvested if they had to use hand made bows and spears?
Of course the other side of the coin is the people buying the meat...they can go to hell too.