Well, he explains what he intends to happen in Star Citizen's living economy, at least. Whether it will work quite like this, we shall have to wait and see. Basically: the economy actually works you'd expect, meaning that if a factory requires raw materials to produce stuff, then it produces a mission for that requirement. It's a mission that either the player or AI could take, and then either fail or succeed, completing the mission, and fulfilling the need. But there's a further layer: pirates stopping your supplies getting through? The game puts a request out some mercenaries. Again, for player or AI. Man. This game. Sounds golden.
Go take a look.
And here's the super-fancy spaceship trailer, in case you missed it: