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A comment on Alone in a Crowded Milky Way. Parent comment

Re:Alone in a Crowded Milky Way by randallsquared on Wednesday January 01, 2020 @11:13PM (#21932979)
> Why does everyone assume alien races would want to spread out and colonize the universe?

...because organisms (and presumably cultures) without that characteristic wouldn't be as numerous as otherwise identical organisms which do have that drive, in a given environment.

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Re:Alone in a Crowded Milky Way by StanislavPetrov on Thursday January 02, 2020 @05:21AM (#21934206)
Maybe we don't see them because they aren't as numerous, because they aren't interested in spreading out. Maybe the "drive" to spread out and colonize the universe or the cultures that would encourage that frame of thought are linked to a propensity to wage war or other some other counterproductive behavior that results in extinction before achieving the ability to colonize the stars.
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