People have a history of killing people. That people who call themselve Christians are not exempt from this fact of human nature is unsuprising. Adherants to other religions, and even the irreligious (such as Adolph Hitler), have a great deal more blood on their hands, much of it not yet dry.
National Socialist Germany saw the resurgence of Man as an instinctive animal, a part of nature, in contrast to the Christian dogma of man distinct and apart from nature. Man's animal self was repressed by the Nazarene creed, and the political dogmas it gave birth to. These anti-life forces, including Marxism, Christianity and capitalism, repressed the instinctive nature of Man.
A movement to promote Thulian ideas among industrial workers and to offset Marxism, was formed in 1918 -the Workers' Political Circle - with Thulist Karl Harrer as chairman. From this came the German Workers' Party in 1919. A year later this became the NSDAP under the leadership of Adolf Hitler