Isn't it wonderful how much fiction can teach us about reality by building scaffolds to stand on when examining it?
What lesson is there to learn here, is humanity at risk of moral homogenization? Is it practical for factions of humanity to become geographically distant enough to avoid encroachment by others?
Fiction is I have a hypothesis, and since it is not easy to test I will make up the results too. Learning anything from it is a lesson in futility and confirmation bias.