It's essentially some guy with a monochromatic worldview having a personal crisis trying to reintegrate his "things I don't like = far right" and "things I like = left wing" thought process with the reality around him.
Nothing useful here.
> We should be aware of this history, but without indulging what Simon Schama calls the “obscene syllogism”: the idea that because the Nazis promoted new age beliefs, alternative medicine and ecological protection, anyone who does so is a Nazi.
It's odd he does not call those (unnamed) claims false, only disparages their origins, while in the next paragraph cautions against exactly this kind of guilt by association.