Eliezer: would you torture a person for fifty years, if you lived in a large enough universe to contain 3^^^3 people, and if the omnipotent and omniscient ruler of that universe informed you that if you did not do so, he would carry out the dust-speck operation?

Hey, that's an actual Pascal's Mugging! As opposed to "Pascal's generous offer that at worst can be refused for no negative consequences beyond the time spent listening to it". Come to think of it, we probably should be using "Pascal's Spam" for the exciting yet implausible offer.