That's a semantic debate that's neither here nor there. If that's what you consider brainwashing, fine, but that's here today and it's happening every day. Do you have any idea what credit reporting agencies know about you, your purchasing habits, your media consumption preferences, your politics, your medical history, your sex life?
>I don't see any evidence that spying on people is a battlefield advantage.
You don't? Well let me give you an example. Let's say there is a movement of individuals within a nation who are discontent about some specific policy or behavior of their government. First, intelligence would allow you to discover this fact. Then it would allow you to research and profile the individuals who you've identified in this group, and refine your search parameters to identify likely candidates to recruit. It would also help you to refine messaging, giving you instant feedback about the virality of trial balloons you floated.
Using these tools, you don't see how domestic unrest could be created?