Hitler and the Nazis considered themselves to be Christians and Christians want to consider them not to have been. It's really semantics. What difference does it make? Not much. People pervert religion as the Nazis did; others want to make any such connection just disappear. You can supply a high-minded response about moral relativity and denial and blah blah blah...it won't change anyone's minds...
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"Today Christians ... stand at the head of Germany ... I pledge that I never will tie myself to parties who want to destroy Christianity .. We want to fill our culture again with the Christian spirit ... We want to burn out all the recent immoral developments in literature, in the theater, and in the press - in short, we want to burn out the poison of immorality which has entered into our whole life and culture as a result of liberal excess during the past ... (few) years." - Adolf Hitler. Ibid, pg. 871-872.
"They each supported Hitler openly, enthusiastically, and with little restraint." In fact, they deemed it the Christian thing to do. They "saw themselves and were seen by others as genuine Christians acting upon genuine Christian impulses." Furthermore, all three tended "to see God's hand in the elevation of Hitler to power." Hirsch was a member of the Nazi party and of the SS. The Nazi state, he said, should be accepted and supported by Christians as a tool of God's grace. To Althaus, Hitler's coming to power was "a gift and miracle of God." He taught that "we Christians know ourselves bound by God's will to the promotion of National Socialism."
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Bonhoeffer saw in the Nazi atrocities proof of God's curse on the Jews. "The church of Christ," he said, "has never lost sight of the thought that the 'chosen people,' who nailed the redeemer of the world to the cross, must bear the curse for its action through a long history of suffering." Bonhoeffer, in his lectures of 1934, recommended that the Jews should never be expelled from Europe. They should remain there so they can serve as exemplification of divine wrath.
The clergy will contend that the Holocaust happened because the Germans and the Nazis were "not real Christians." But renowned theologians in Germany believed that Nazism and its pogroms and programs were the will of God. The unreasoning clergy don't seem to realize what a devastating blow it is to the coherence of Christianity to admit that there is no agreement on what is and what is not Christian.
http://www.geocities.com/Athens/Atlantis/3425/page372.htm(edited for copyright law compliance)