I would say it's more about the discussion of morality and specifically the morality of actions in war and not the politics of war, though they are linked. The

I would say it's more about the discussion of morality and specifically the morality of actions in war and not the politics of war, though they are linked. The lesson of the Skinnies is quite jarring for someone that didn't go through WW2. Earth outright terrorizes the Skinnies into submission.