The central part of their identity is to assume that they're the vast majority of people. It allows them not to have to think about stuff too hard - it's all settled, and it's settled on what the people I'm exposed to (i.e. friends, family, and the television) think. I'm safe just repeating that and reporting people who deviate from that.

They don't realize how much the "moral majority" differs in town as opposed to the city, the coasts as opposed to the bulk of the country, in small private liberal arts colleges in the east and at Mormon universities in Utah, or in China, Russia, or Bulgaria as compared to the suburb they grew up in.

If all of those people simply follow the central tendency, and give mass media the same (or greater) weight as they give their neighbors, that guarantees war all the time. It will always be better to listen and try to understand points of view that you aren't familiar with, rather than to hide in the safe (and always untrue depending on the shape of the border you draw) assumption that you represent the vast majority. This, without even considering whether the vast majority are right or wrong.

I mean, some people are so impervious to reality with this that they can lose election after election and believe that they are still 95% of people. Then they start theorizing about mind control and supernatural entities, just to keep from opening their eyes and ears.