"Bookmarked as proof Hitler was a self-styled Christian"
He cynically manipulated and severely altered Christianity to further his political domination, and also utilized Norse Pagan beliefs to the same end. This is proof that he was NOT Christian.
This isn't proof of anything.
The authenticity of the document is dubious at best. If authentic, its purpose was for National Socialist propaganda, not Christian enlightenment.
Why don't you check the meaning of Deist, and then try to use it correctly.