There is a certain irony of many Arabs liking Hitler because he was anti-Jewish. If the demographics in Germany in the 1920s and 30s had been the same as now, he would have counted Muslims as the dangerous untermenschen threatening his Aryan wonderland.
True fact. Persia changed to Iran in 1935, because the then-Shah was so enamored with Hitler, he changed the name to the Farsi word for “Aryan.”