I have a huge, active imagination, and I think I'm really scared of being alone; because if I'm left to my own devices, I'll just turn into a madwoman.
I'm not sure that you can say definitively that some roles are better filled by consultants, but I would say that some projects are better handled by consultants.
The wars of the future will be fought by computer technicians and by lawyers and high-altitude specialists, and that may mean war will be increasingly abstract, hard to think about and hard to control.