Earlier quoted context omitted.
You are right, of course, but there all sorts of nuances to this. The Nazis wanted to return to ancient values, specifically the values they perceived as those of the classical world. Himmler thought Christianity was a plot by Paul to undermine the Roman Empire and aimed to eliminate the 10 Commandments. Hitler cited Sparta as an example of the sort of society he wanted to create.
I mean, yeah, mythical Sparta is the place worshipped by fascists of all times, including their own times. When you see people celebrating Sparta, you likely see fascists on the rise. But also, there were plenty of Christian and Catholic Nazi. Catholic priests (outside of Germany) actively worked toward Nazi project. Commandments are always malleable, including the "tho shall not kill" one. By the way, the recently e…
The Catholic Church condemned Nazi ideology in the 1930s and said racism is incompatible with Christianity. The story of the papal encyclical is quite interesting. Lots of priests ended up in prisons of concentration camps.
The Nazis were determined to specifically get rid of Christian values. They invented two new religions to try and replace it: Nazi neo-paganism and Positive Christianity.
Hitler was not a historian and hugely misinterpreted history, but the Nazi view of Sparta was not just a myth. Sparta was literally a society based on a racial hierarchy, with the Spartans structuring their society around keeping control of the helots.