Like the alleged hole in the ozone we will never get beyond the "hunters are killing all the animals" syndrome. Insecticides, loss of habitat to fancy houses, non native species are the big culprits.
Yes, I forgot about feral hogs, they are a menace. Suckers chased me up a tree when I was a boy and I had to sit there for some time. A Ruger Mini 30 is a decent pig gun and good for deer too. J