Because we are a society bound bye the box our government gives us. We are taught from an early age that thinking is bad. Just do as your told, don't make waves, and follow the rules. When something different comes around it doesn't conform to what we are conditioned to do. The more out of the ordinary the more resistance you are going to run into. Think about when people thought the Earth was the center of the Universe.
Stupidity, closed mindedness, fear of the unfamiliar.
Anomallies make people hesitate because most of them are lies. It must be very frustrating for those rare truth-tellers out there.
Because many people have "tunnel vision."
this question is a lie