Yeah, well, some folks don't like to be bum-deep in pig poop.
The NPS folks at Big Bend National Park about had a squalling fit about a batch of wild hogs seen working their way southward toward the park. Don't know where they originated, but they were working down through desert country, of all places!
Now, imagine NPS folks taking part in a hog-killing effort! NPS? Yup. The last thing they want would be for hogs to get started (rooted?) in the Chisos Mountains part of BBNP. They'd be there forever, tearing up the most beautiful part of the whole park...
Art