Humans in general are expected to look and behave in a certain manner any variation in pattern and behaviour is considered an exception. And that exception is never taken lightly mind you, they are often looked at with different lens under a separate microscope. Be it people having extra fingers on their hands, be it people having extreme flexibility or even to an extent of having loose limbs, one who is even slightly off with the average is considered different. Such is the way of society and little has been done to bring an inclusive development of all.
It is not often that we see people like him but at times its better not to overthink about certain things and accept life as given to us, he certainly believes in this theory making him unique.