Hitler's executioners were anything but "natural". They were attempting to be Intellegent Designers.
The misuse of the concept of evolution is a reflection of those that use it that way, not of evolution itself. No matter what we humans do with the knowledge of evolution, those actions have no bearing on the veracity of the fact of evolution nor on the theory of evolution.
My point precisely -- with Justice Holmes, Margaret Sanger, and Charles Darwin worthy of design credit from Hitler and the Nazis.