[nosuchthing]

Thought experiments are not set in stone, and even if they were modifications could me made.

A real game show [1] put two people in a position of the prisoners dilemma and they were free to communicate. [2]

[1] https://www.youtube.com/watch?v=S0qjK3TWZE8

[2] http://www.radiolab.org/story/golden-rule/