I think there are generic non-surveillance reasons as well. Whenever an industry gets big enough (tobacco, oil, advertising) it can have enough momentum and cap

I think there are generic non-surveillance reasons as well. Whenever an industry gets big enough (tobacco, oil, advertising) it can have enough momentum and capital to have its interests protected by the state to a degree that anything short of an energized mass movement will fail to see these industries regulated (a good example of such a movement having some success is tobacco.)