*shrugs* There are ways, but I doubt the higher ups would go for it. Nothing beats a kid with an entire school-lab-classroom full of unattended computers and nothing better to do with his time. Thus, for security concerns, Ghosts ought only be able to read from the server, and not interfere with other players. Should they even be visible? Should they be allowed to speak? *shrugs* It's debatable. But that's
another thread.