Have you guys watched the Youtube videos where guys receive permission from the Texas department and hunt feral pigs from Robinson helicopters with ARs?
Use Google: "Feral pig helicopter" etc.
Those pigs destroy about $20,000,000 in crops each year, directly and indirectly, and this only describes damage in Texas. This does not even address yards and irrigation systems torn up in Dallas suburbs, or in other states.
Texas considers such 'swine zapping' from small 'attack helicopters' ethical. Those poor, defenseless creatures