Germany and Japan had competent post-conquer leaders and orderly civilizations that was/is useful. Iraq and Libya had incompetent leaders and useless people.
Don't give free world leadership examples in Chile, Haiti, Guatemala, El Salvador, Iran, Palestine, Egypt, Bangladesh etc. The nature of the US military and economic machine as a force of ultimate good beating up truant, naughty countries must not be questioned. USA does not practice censorship, instead we have manufacturing of consent here.