Got this fromt he TGS guys. There looks to be some answers to a lot of your questions.
FROM THE TACTICAL GAMER PRIMER.
3) Support game play in a near-simulation environment. Where the focus of play would not be solely on doing what it takes to win, but doing so utilizing real-world combat strategy and tactics rather than leveraging exploits provided to players by the design of the game engine.
Star Citizen is an upcoming persistent-universe space simulator being created by Chris Roberts (veteran of the Wing Commander...