This man sounds like a horrible, racist human being, who has no business being in any government position. The fact that Trump rehired after previously firing him shows that we are in for worse times ahead.
But smearing him by referencing Heidegger is not fair to Heidegger. Heidegger has a lot to be ashamed of, but he was nevertheless a great philosopher. I'm a Heidegger scholar myself, and it's not fair to smear everyone who studies him. Here's a long complicated paper on this complicated subject. https://www.academia.edu/9847650/Heidegger_s_Private_Nazism_