Yup, he most certainly underestimated the depth of the roots of white supremacy in american society.
There are no white supremacists anymore...that's simply overplayed folklore not so cleverly used for the continued excuse making by no-class having bottom feeders and piece of shits. Everyone knows it but the aforementioned...not sure where you categorize?
What you have these days is classy, good quality, real American's vocally demanding more of the lower class...it's just that simple...stop reaching.