It's combination of genuine ignorance, willful ignorance (serving one's political agenda), and subconscious suppression of truth (cognitive dissonance, serving

It's combination of genuine ignorance, willful ignorance (serving one's political agenda), and subconscious suppression of truth (cognitive dissonance, serving one's preferred ideas about who the good guys and bad guys are). Video is helping with the first, but as can be seen by many people's reactions to all this stuff, doesn't work as well as it should for the latter two.