To believe that Germany's reason to go to war consisted in exterminating the Jews shows just how brainwashing works over long periods of time.
I suggest you do some reading before resorting to namecalling. Thanks partly to the work mentioned by Fire_Wraith, historical evidence is beginning to accumulate for the race v. race framing of Hitler's motivation for war. Sure, he was optimistic that Germans would prove the strongest race, but it was more important that the struggle of the races is renewed. The Jews played such a central role in Hitler's plans because he thought that they had infiltrated enough of the world's governments that they successfully put a halt to global racial struggle, leaving weak and degenerate races protected by the political artifice of statehood. No doubt this was a totally delusional view of the Jews, which is a prima facie reason to not believe that the Nazis would have held it. But the evidence seems to be stacking up that this is exactly how Hitler saw the situation.