Why, because of such Nazi-friendly Nietzsche quotes like:
"No, we do not love humanity; but on the other hand we are not nearly "German" enough, in the sense in which the word "German" is constantly being used nowadays, to advocate nationalism and race hatred and to be able to take pleasure in the national scabies of the heart and blood poisoning that now leads the nations of Europe to delimit and barricade themselves against each other as if it were a matter of quarantine. For that we are too open-minded, too malicious, too spoiled, also too well-informed, too "traveled": we far prefer to live on mountains, apart, "untimely," in past or future centuries, merely in order to keep ourselves from experiencing the silent rage to which we know we should be condemned as eyewitnesses of politics that are desolating the German spirit by making it vain and that is, moreover, petty politics: