Whilst we can see how theory might benefit praxis, it seems that the inverse connection is more elusive and difficult to quantify. I don't know about the states, but in western Europe, I often wonder how much class has to play in a part of this. These are both significant threads. They cover a broad continuum, from the missionary nurse to the intifada youth. They expend energy and are frustrated when it goes to waste.
Theory can help to focus it where it can bring results.