Because I would wish to kill myself eventually?
In a sufficiently bad situation, you may wish for the genie to kill you because you think that's your only wish. It's not likely for any given wish, but would happen eventually (and ends the recursion, so that's one of the few stable wishes).
If I kill myself, there is no nth wish as n -> infinity, or a busy beaver function of Graham's numberth wish, so the first wish is wishing for something undefined.
Also, the probability of any of the individually improbable events where I kill myself happening is bounded above by the some of their probabilities, and they could be a convergent infinite series, if the probability of wanting to kill myself went down each time. Even though I stipulated that it's if I believed each wish was the last, I might do something like "except don't grant this wis...
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