Claiming to be and actually being is not the same thing. If he had wanted to adopt Christina symbols than the there are a myriad of more clearly identifiable symbols than the swastika, which is far more associated with pagan than Christian cultures.
Why is it so important for some to cast Hitler as a Christian when he clearly was not?
Why is it so important for some to cast Hitler as a Christian when he clearly was not?Because creationists cast him as an atheist motivated by evolution, which he is not.
I agree with you that I would not consider him a Christian, but he considered himself a Christian in all his writings, and he believed he was doing God's work.