Many people would agree with you when you say: Hitler had no love but fear, he did not work to build but destroy, he did not speak to educate but to convince. (Myself included!)
But that is the problem with the teaching that revivalism is acceptable, although Hitler had a very messed up mindset...the man did follow the advice that you gave (although not from many peoples perspectives) However Hitler was entitled to an opinion and in his opinion I am sure that he felt that he was dealing with people based on love and not fear.
This conversation is proof that we cannot allow mankind to write his/her own rule book, and that is why we must live our lives according to the WORD of GOD.