Netflix is hosting Joseph Campbell and 'The Power of Myth' with Bill Moyers which wonderfully details how this idea of shared fiction works. [0] It's amazing how deep it permeates our culture including how Disney adopted Campbell's ideas as not only a vehicle for story telling but also as a matter of social responsibility creating a unified view among all the billions of Earth's human inhabitants.[1] You and I have a shared fiction that is also the same as a person buying a bootleg copy of Star Wars or Frozen on the street corner in Moscow, Beijing, Mexico City, or New Delhi.
[0] https://codeincomplete.com/posts/javascript-pong/