What is comforting about conspiracy theories and even lies, and why are they so common and persistent?

Conspiracy theories and lies provide a resolution of uncertainty and unknowing for many people, since they always provide answers. Even incorrect answers are more satisfactory for that group of people who cannot tolerate ambiguity or uncertainty regarding some matters.

This explains why some people get so defensive and angry when their beliefs are challenged or refuted, even if they are obviously false, and why they will resort to lying to prop up their beliefs.

What is comforting about conspiracy theories and even lies, and why are they so common and persistent?
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