That was a very useful interview. The question was whether there was any intellectual credit to their argument (if it's helped them win the presidency of the USA) or is this just fascism, hatred and bigotry which is driven by strong emotions and intellectual fallacies (and not worth giving airtime)
Gary Younge got the answer to that question.
It's easy to assume that people like Richard Spencer are just scared and angry people without any sense of reason. It's different when there is audio-visual evidence of the fact.