Comment: Self preservation

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In reply to comment: Some people do refuse to know (see in situ)

Self preservation

If your friend admitted to himself that the official story my be false then it opens a mental chain reaction that is very hard for the individuals to deal with. Everything comes into question. People have trouble changing "beliefs". Have a discussion about evolution with a strict religious creationist or vice-versa - you seldom end up with a rational discussion.

It's self preservation. There are psychologists who have studied this common human trait.

"One resists the invasion of armies; one does not resist the invasion of ideas" Victor Hugo