Nobody thought that the Ayatollah was the next Prophet of Allah.
Pakistan is much more desperately poor than Iran was.
Musharaf's hold on power is much more tenuous than was the Shah's.
The head of Savak was not a secret agent of the Ahatollah, as was the head of the ISI.
Iran did not have nukes.
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But as you said, all I want to do is get people to think. I am not trying to "sell" this scenario, I hope he is dead inside a collapsed cave. But in the event that OBL does appear on a balcony, we need to have a plan of action for dealing with the consequences. That's all.