The terrorist organization Aum Shinrikyo found inspiration in the galactic empire of Isaac Asimov's Foundation Trilogy.
And concerns about how realistic galactic empires are will just send George Lucas laughing all the way to the bank.
There are those who in the realm of science fiction literature wonder if galactic empires are the new "Middle-Earth".
But interstellar empires never seem to go out of style, and regardless of their practicality they remain a powerful meme.
This burgeoning frontier spirit, combined with radical notions about posthuman utopianism, was beginning to cause serious social and political unrest.