The correct TDT behaviour in a world in which Aul Peckman exists depends upon the relative probablities of having to rely on Aul or Paul to save you. If you believe that you are more likely to encounter Aul, then you should stiff Paul, and Aul will recognize that and drive you back.
If you encounter the wrong one, or if you didn’t know that Aul existed, then it’s just an uninteresting case of regret due to receiving new information about the world.
The correct TDT behaviour in a world in which Aul Peckman exists depends upon the relative probablities of having to rely on Aul or Paul to save you. If you believe that you are more likely to encounter Aul, then you should stiff Paul, and Aul will recognize that and drive you back.
If you encounter the wrong one, or if you didn’t know that Aul existed, then it’s just an uninteresting case of regret due to receiving new information about the world.