Flood wasn't in the movies...LETS GET RID OF HIM *CENSORED*...
Naw, just kidding. I think hackers play a good role, and their history from beta is good, but needs to be available somewhere as a background history, even if it is only a pop up thingy if you mouse over the ability. Class balancing and combat are being worked on, so we'll see how that all works out soon Ig uess.