His over all intent was to be god like to the people. Similar to Kim Jong-un. That was evident with his thirty-point program for the future of the German churches where he replaces all bibles and religious text with Mein Kampf.
If Aso really said that, he does not belong in any leadership position. Someone who is Deputy Prime Minister would have to be educated and cannot claim ignorance about Hitler’s crimes. The only good thing to cross Hitler’s mind was the bullet when he shot himself.