So prior to the nukes Japan had just lost their entire navy, their air force, and practically all their conquests in Asia

Yep. No point in a genocidal terrorist attack on civilians in japan.

a people to be so delusional... ethnic supremacist rhetoric functionally identitical to Nazism

Lol. Have you seen USA today? It's the birthplace of racism. They're still justifying this nuclear terror attack on japan while genociding people in palestine and all over the world. Never changes.