>The elite living in Elysium will need a controllable, automate-able, way to keep the underclass in line, one that doesn't involve less-reliable human enforcers.

I thought the rich elites living in Elysium had to completely depend on one weird mercenary dude on Earth with a shoulder-fired rocket launcher that somehow had rockets that could achieve escape velocity in order to protect Elysium from spaceships with illegal immigrants attempting to invade and use their magic healing machines.