>Somehow in sci-fi stories, that's supposedly "overcome" someday It's always overcome in stories about humans, conducted at biological timescales. There are m

>Somehow in sci-fi stories, that's supposedly "overcome" someday It's always overcome in stories about humans, conducted at biological timescales. There are many ways to construct a functional interstellar civilization that just aren't very interesting to read about, much like how nearly all people living today have lives that wouldn't make a good novel. Nonsentient mesoscale replicators riding solar sails that take thousands of years of years to visit stars would be cheap, reliable, scalable, and fantastically boring as the subject of a fiction novel; given the lack of any human characters or human conflict.