My boss, Caesar, has the right philosophy on guns in war in my opinion. War should be fought by recruits with melee weapons, who advance to better weapons as they progress through the ranks.
Okay, so by your standards the Roman empire was lizard brain. With their aqueducts, indoor plumbing, and concrete techniques that we can't replicate today.
Rome produced philosophers. Where is "might makes right" praised as the font of Roman law? When someone stronger than Rome destroys Rome, does that make them right? By your logic the Communists are justified because they won WW2.
To the victor goes the spoils, and the winner writes history.