Not necessarily. A singleton could come to power, genetically engineer humanity with a fertility cap, then fall. In the long run, evolution will probably find a way around such a cap, but in the mean time another singleton could arise and reset the clock.
Not necessarily. A singleton could come to power, genetically engineer humanity with a fertility cap, then fall. In the long run, evolution will probably find a way around such a cap, but in the mean time another singleton could arise and reset the clock.