Also, let it be known that Ni types are frequently known for their suspicion and questioning of commonly-held "facts"...things that are in actuality unprovable by Se, and they don't trust Si stores of knowledge as being reliable (the adage that history is a myth) ...and sure it might point to inferior Ni or an Ni/Ji loop in most cases...I think [MENTION=18064]Valiant[/MENTION] is actually probably an ESTP and not an ENTJ...which serves to explain why someone would, in fact, deny the halocaust did happen.
Besides, when people are faced with things like mass immigration and directly perceived "threats" to their tribal beliefs or ways, they often react with a kind of defensive mechanism. Jung believed that people needed a coherent cultural mythology to even stay sane. I saw an incredible argument by a Norwegian liberal former multi-culturalist on why Russian nationalism is actually healthy because of the way Russian people were robbed of their culture by the Soviets.
If you want to know what my ETHICAL reaction was to YLJ, then you can flip a few pages back and see where I mocked him and called him pathetic, but that's just my personal ethical view; in the grand scheme of things, I know on a factual, rational level that white nationalism exists, and why, and even why someone could respond as he has given a particular set of circumstances.
I mean saying all white nationalists are insane is like saying everyone who belongs to the Tea Party or Occupy Wall Street is insane.