I don't believe most conspiracy theories are true, however, some I view as amusing.
Examples of "funny" conspiracy theories:
Keith Richards is JFK.
Humans once lived on Mars, but were destroyed by a nuclear war.
Dinosaurs built the Pyramids of Ancient Egypt.
The Earth is really flat, but no evidence will ever be found.
The Denver Airport is the one of the main bases for The New World Order.
Drinking water that has fluoride in it is a method for mind control of the US population.
All conspiracy theories related to Area 51.
When he was a boy, Phil Collins witnessed a friend drowning and saw a man who refused to help, which became the basis for his song "In the Air Tonight." Phil was too far away to help or too busy looking for people to help his friend. Years later, Phil Collins found the man and anonymously invited him to a concert. The man accepted and while performing "In the Air Tonight", he revealed the man to the audience. The man went home and his life was ruined when people began finding out what he didn't do.
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Silly NTs, I have Aspergers, and having Aspergers is gr-r-reat!