With state shintoism and the belief that Hirohito was the son of God, they just didn’t see it this way.
This example, however, would work well if we were talking about Germany. Even the Germans were flabbergasted with the lengths we went to save them during the Berlin Airlift and rebuild their country.
I think it’s amazing that after 400,000 dead and 1,000,000 wounded America forgave Japan and Germany as quickly as we did.