I wouldn't draw the parallel to the spying. Thats not something ordinary people have direct control over. What I am suggesting is to make the change by determin

I wouldn't draw the parallel to the spying. Thats not something ordinary people have direct control over. What I am suggesting is to make the change by determining where your dollar is spent. A consumer has direct control over that dollar. Eg. "Organic" food. Consumers have shown a preference for it and that has led to more supply of "Organic" food. (I put it in quotes, since its sometimes questionable how organic it really is) But you are right, it's hard to track down individual suppliers/farms/grower. Maybe blockchain does have a use-case!