It's sort of an ego builder to do it! Just so you can tell your buddies what you just did. OH JOY!!
I think you got him wrong stump. I understand why you say that. But here in MD, there are alot of mass killing of does. You see litterly dozens some night. Where he lives, he might be part of that Aberdeen Proving grounds thing. You don't want to eat them in a biochemical enviroment. Also, lost of farmers that hate deer and just want to see them wiped off the face of the earth.
When I grew up in Ky and lived in WV, and NC, the deer population isn't near as bad. And a deer is a precious thing. For the freezer and for seeing.