>>280801320The "point" and what characters would do in their situation is survive. That people can and will be reduced to animals if given the right situation, and not feel an ounce of guilt doing do. "Both side" gleeefully filled their roles as monsters once the cuffs came off, killing in self defense is one thing, killing to stay alive is one thing, killing and then making sure you enjoy every second of pain, or feel nothing at all, is another.
Dress it up all you want, in the end the thesis of the story is still "both sides are bad", and any attempt to justify or moralize it is just cope