Another argument that might be used to rationalize a power grab is that large segments of humanity have base or evil preferences and that including them in the extrapolation base would risk turning humanity’s future into a dystopia. It is difficult to know the share of good and bad in the average person’s heart. It is also difficult to know how much this balance varies between different groups, social strata, cultures, or nations. Whether one is optimistic or pessimistic about human nature, one may prefer not to wager humanity’s cosmic endowment on the speculation that, for a sufficient
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