"I mean there has to be at least 100 million people in the world with the surname Wang so the odds that we are the same person are pretty slim!" Except this se

"I mean there has to be at least 100 million people in the world with the surname Wang so the odds that we are the same person are pretty slim!" Except this seems to ignore that P(comment about Sam Wang | I am Sam Wang) is much higher than P(comment about Sam Wang | I am not Sam Wang) :-)