The claim is A) not mine, but B) not silly. The burden of proof is on those who claim that anything they haven't experienced never happened. That's what "skeptics" about UFO sightings have in common with those who deny the Moon landings ever took place.
I apologize if you thought my comment was directed at you. I knew it wasn't your claim and never meant to imply that it was. However, "Dr." Alexander's claim is silly and false. He needs an elementary course in logic.