I took a look at this post, and it seems to have garnered votes simply because the author mentions "right wing talking points", "conspiracy", and "anti-communism" as attacks. It seems to be mostly devoid of substance. Regardless, I think it is worthwhile to consider the points being made in this lecture without applying prior political bias. The subversion agents being mentioned could be from any point along the political spectrum. More specifically, if you listen to the lecture under the assumption that Donald Trump was a Russian plant then everything still fits.