SF just sounds a bit more sexy. What would you rather read AA - Bravo Two Zero or a stunning account of doing top cover on a Snatch Rover for 6 months in Iraq?
People like Tom Clancy have been writing books for years about privately funded covert units carrying out clandestine action and it all fulfills the needs of the conspiracy theorists. There is an emerging gap in the market where a civvy firm will look to move in, but it is a political minefield. It also wouldn't be cheap, but with some people looking at their 3rd Christmas in a row in the sandpit and less people wanting to join then perhaps it's a resource we should tap into.