They grumbled, but 95% of them obeyed, worked, killed and died up until the spring of 1945. A huge amount of Germans certainly believed that sticking with the Nazis until the conflict's end was a much lesser evil compared to another national humiliation on the scale of Versallies. And look at the impressive use to which him and Goebbels put evaporative cooling of group beliefs to radicalize the faithful after the July plot. Purging a few malcontents led to a significant increase in zeal and loyalty even as things were getting visibly worse and worse.