>>77445708what you said was innacurate, but this isn't /pol/
regardless, to your actual question, it's easy to Separate Nazi's from the rest of Germany but it's harder to separate Imperial Japan from the rest of Japan
You could try demonizing some of the Japanese military leaders, who thought Pearl Harbor was a good idea, who didn't give a shit about the rape of nanking, and who pressured the Emperor into trying to get Japan to die in battle rather than surrender, but none of them had a cult of personality or are even referred to by name a lot of the time.