"True. But they also tend to be... weak willed, and prone to excess, and more than a few have lost their 'gifts', when we exposed them, which means that, while he can command them, they know they only serve at his pleasure, so the less he finds out about their failures, the longer they keep their power. We've used it before, to smuggle some things through, and to take out some of the more... colorful 'governors'."