"A Conservationist's Cry" is worth watching
Look at the video below, ( I got it off another site)I think it gives a good perspective about hunting and why it is needed. A lot of do-gooders, just don't take the time to understand.
https://www.youtube.com/watch?v=NWxvZyAygb8
This isn't that much different than what a good cattle farmer I know does. He needs to manage the land (to grow good crops) but he also has to kill a few animals (veal) each week in order to pay the bills and eat.