> So the correct game theory play against someone reneging on a false promise would be ... To be public about the false promis removing the ability of the ride

> So the correct game theory play against someone reneging on a false promise would be ... To be public about the false promis removing the ability of the rider to make future deals thus removing their ability to compete on equal terms with other competitors and seriously damaging their carriers. If you want to model the real world using game theory, then you have to include the fact that players can communicate outside of active competition, and that players have reputations, tarnished by their bad faith actions.