I don't think saying "That is not a prisoner's dilemma" is a useful way of communicating "those players don't exist."
Also, the topic at hand is what do people mean by "fair," not whether the situations they do or do not call fair are real situations.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Thread started before the end of the last thread to ecourage Monday as first day.