The other difference from the Cobra effect is that feeding wolves would result in a whole lot of problems for the rancher (as in life and limb to family). Thos

The other difference from the Cobra effect is that feeding wolves would result in a whole lot of problems for the rancher (as in life and limb to family). Those problems are enough of an incentive not to do those things. You really, really don't want a predator to learn free meals are on your land. You already have to manage the land use when ranching.