Because when the zombie apocolypse comes, the grocery store is probably not going to be readily accessible....
no, really....traditions and cultural identity are important to the health and well-being of the individual and society as a whole. The lessons learned through hunting, along a well worn path of generational passing of culture is exceptional for building virtues like hard work, responsibilty, self-suffiency, and strengthening family bonds.
I makes me warm and fuzzy. And...it provides essential skills in the event of economic, environmental, ecological catstrophy or other such events.