These are all good answers. A mixture of all will likely make you look good. Instead of telling them to "Pound Sand"I would tell them to "Pound Salt"

.
Some other good facts are deer are capable of consuming approximately 15 pounds of farmers crops per day.You know what that does to produce prices. Without hunting the deer population would go unchecked, deer would starve to death, disease would spreadthrough the deer heard, the meat was put to good use, we fed the poor, and your car insurance would double due to more deer related accidents on the road.
Don't let them make you feel bad, send them to me for a "Session at the Shop".
I have to attest the genetics were good on that deer so I would not use that argument. It was her first deer and she harvested it with a gun. It offends me that people have made her feel bad about something she loves to do and has worked so hard to accomplish.
Here it is: