you're not wrong about most of this, but anti-semitic? he's very openly Jewish
Maybe it’s an elite vs mass culture anti-semitism? Lots of internalized hatred among ‘bougie’ white and black people towards their respective poor strata; why would a Jewish person interested in reactionary politics spare the normies who, on the whole, abhor it?
https://en.wikipedia.org/wiki/Association_of_German_National...
As a young man he wrote a paper on the topical question of the Jews in Prussia[0], regarded in the modern day as antisemitic, though probably tame for the era.