Without Hitler, this much is certain, there would have been no Holocaust. His fanatical anti-Semitism was the engine driving genocide. While it may have been difficult to tell sometimes when Hitler was play-acting, the Führer was always deadly serious when he vented his maniacal hatred of Jews.Ullrich, Volker. Hitler: Downfall (p. 611). Knopf Doubleday Publishing Group. Kindle Edition.