Most don't own the land they hunt, so many don't try to improve the herd or habitat...They don't have a vested interest...In addition, some hunter don't eat what they kill...I don't understand this as this is actually why humans started hunting...I enjoy cooking a good meal with the game I take almost as much as the actual hunt...Finally, some hunters kill bucks only to feed their ego...

Now...this is all assuming that you live in anarea with plenty of does and the law allows you to take multiple deer...The older I get, the more I talk myself into passing on bucks...Most bucks that I see hunters kill should still be walking as they are "average" at best...