what evidence from the radio broadcast the war of the worlds supports theme that human vanity can cause problems

The dialogue between Phillips and Pierson, where Phillips asks him if he is truly convinced as a scientist that living intelligence as we know it didn't exist on Mars and he responded very assuring: "the chances against it are a thousand to one." Human vanity is shown as Pierson believes that the other worlds in space were inferior, never thought the human being would be in danger.