[gridlock]

If that's the reason, then why do seemingly intelligent people in the US believe the same tripe?

Because they surround themeslves with other people who lack knowledge of the outside world.

[angkor]

Conspiracy theory is an expression of a mental illness that cannot tolerate ambiguity.

[Earthdweller]

"Because they surround themeslves with other people who lack knowledge of the outside world."

This describes the audience of 'The View' perfectly.