Didn't it influence his followers? Or didn't even they bother to read it?
I read it. Its an interesting excursion into the mind of a total lunatic.
In the intro he says that Hegel's work is a much more influential expression of what Hitler represented. He regards Hegel and John Calvin as two of the most hateful people who ever lived acutally. And was quite sympathetic to Marx who he claimed was not to be blamed for the atrocities committed in his name.
I'm still working on mein kampf. He babbles on endlessly. Another missing is Sun Tzu; The art of war. It is still taught at U.S. military learning centers.