In summary: Intentional attacks on civilian populations are war crimes. Accidental civilian casualties in the course of attacks on military targets are not, but they should be minimized to the greatest extent possible simply because that is the right thing to do. There is no moral elasticity involved, just the rules of war in the real world.
There are your primary errors,
Pondering, as any reference to the "rules of war" or "the real world" will lose the argument. Those standards are not applicable to this discussion.
