I believe it boils down to those who think & act like a Natural Predator VS those who think & act like a Conflicted Predator. A Natural Predator, such as wolves, mnt lions, hyenas, etc, show no compunction towards their prey. Were as some here seem to be Conflicted Predators. They seem to be a predator, but a predator with feelings of guilt towards their prey.
The definition of 'Hunting Ethics' has to do with the following of statutes, regulations & practicing Fair Chase guidelines. So with that said, I believe this is a debate of 'Personal Ethics'. In which I believe has nothing to do with hunting animals for food.