The areas that have seen declines are the same ones that are populated by wolves. Here in Colorado CPW says that we are already below population objectives in a number of units west of the continental divide, the same place where the forced introduction of this non-native species is slated to take place.
If they decided to drop a pack into Rocky Mountain Arsenal or RMNP I think the idiots in the front range would change their tune pretty quick, but its going to be far removed from them so why would they care.