The racism of Adolf Hitler‘s nazis was at first mainly “only” against Jews. At first, some nazis thought Roma maybe were “Aryan”, so, should not be persecuted like Jews. However, later nazi mass killings of Roma, similar to those of Jews, started.
Soon, Slavic speaking people like Poles, Russians too landed on the nazis’ list of “subhumans”. Like with Jews and Roma, millions of them were murdered.
At first, Geert Wilders claimed to be not racist, “only” against Islam. He wanted a ban on immigration
by Muslims … err, not by Muslims, but “by people from [mainly] Muslim countries”, so including, eg, Christian or atheist refugees from the fanatical version of Islam of the government of Saudi Arabia.
Soon, Wilders’ smokescreen of “I am only criticizing a religion” collapsed. Wilders attacked people from Suriname. Wilders attacked Poles. Now, he attacks Romanians and Bulgarians, claiming without any evidence that “most pickpockets are Romanian”.