He's viewed as more pragmatic, moderate, and less revolutionary than other figures, and his demands are likely more reasonable than other Nazis. And, if there's still a hasty evacuation attempted from Dunkirk in this go round, it's considerably less successful than in OTL.How does Goering taking over make the Allies predisposed to cut a deal with Germany? Anything less than a full withdrawal from Poland and Czechoslovakia would have been a unacceptable to the Allied governments.