In fact, this stuff is a science fiction staple.
Yet another take on the corrupt ultra wealthy hiding in a "perfect" gated community, this time in another universe parallel to ours.
So far it is pretty good for something written 20 years ago.
From walled communities to hiding out of touch in a space station, looks like human nature hasn't changed much in 6000 years. Great wealth (power, fame) almost always tends to corrupt people.