Let the pointing fingers at country a, b, c, .... z for collaborating with “Nazis” begins... Ah sorry, it’s been happening since +80 posts... First people should think for a while how many Americans would have collaborated If US had been occupied. It’s not difficult to figure out that quite likely: millions. German state and partially 2 or perhaps 3 countries were responsible for the Holocaust, certainly not Poland, Holland or France.
In this case the major problem is that a guy is on a government payroll, even If he was right, it’s not his role to judge other nations in public. I doubt people in charge of German or Italian government agencies use to mock America for slavery, natives and so on.
This will give you an idea of just how many would have collaborated.