Yeah, and George Smith made the "unrealistic assumption" that the moon was made of cheese, and John Doe made the "unrealistic assumption" that dogs communicate

Yeah, and George Smith made the "unrealistic assumption" that the moon was made of cheese, and John Doe made the "unrealistic assumption" that dogs communicate telepathically... While there are certainly a handful of "unrealistic assumptions" that have lead to scientific breakthroughs, giving credence to an idea simply because it is unrealistic is... well... unrealistic.