Anything that has a connection to the victim of the bullet. The victim, the victim's family, the victim's squad, their CO, the perpetrator's mind, etc.
It's a spin off from the hippocratic oath, I take it to mean "know the consequences of your actions", a lot like the first quote. At least, that's my interpretation.
think about all the great videogames, movies and comics that are based on WW2. in retrospective, was it really something bad to happen ?
i dare to say it was worth it.
Unless you are one of the psychos of war. Yes they exist.
Ask anyone in the military... every platoon had one... the one guy everyone thought was ******* insane and would probably **** a corpse of someeone he killed on the field if he could get away with it.