I have noticed that it usually requires a particular type of personality to believe in conspiracy theories, especially the silliest ones. That's because quite often when someone believes in one such conspiracy theory it's 99.9% probable that he or she will also believe in several other conspiracy theories as well (which are usually completely unrelated, without any connection to each other). As an example, I don't remember ever knowing, seeing, or reading about someone who strongly believes in the Moon landing hoax conspiracy theory who at the same time does not believe in and can present strong counter-arguments to the 9/11 terrorist attacks conspiracy theory. Or the other way around. There may be such people, but they seem to be very rare. By far one of the silliest conspiracy theories in existence, which a scary amount of people appear to believe in, is that the Earth is flat. They honestly seem to believe that literally millions of people, including scientists, engineer...