C Mil "I'm not sure if you are questioning the morality of air attack or trying to distinguish that from attacking military personnel who are hors de combat. To me the difference is clear, but I'll leave it at that for now."
I thought I was clear: dropping a bomb on a guy from 10,000 ft is on par with shooting a man strapped into a parachute.
Both are helpless at defending themselves against their assailant.
You may say the pilots were 'hors de combat', I'm sure those on the ground would say they lost their advantage when they lost their aircraft. I'll leave it at that for now.