a strange video which seems to fit with what you've just see you don't know whether to be irritated all fascinated but you keep on watching so when you find yourself sucked into a parallel universe of alternative beliefs videos on conspiracy theories seem to do quite well on you tube and for some of us at least its algorithm keeps recommending more and more of them they can be disturbing but it's hard to look away so let's take a closer look at the world of conspiracy theorists. reptilians the illuminati. conspiracy theories often postulate that the world is controlled by a small group of strange leaks that harm ordinary folks but luckily there's you tube evil doers bent on world domination are unmasked. here are our top 3 conspiracy theories. number one the moon landing is a myth. july 20th will mark the 50th anniversary of apollo 11 landing on the moon.