At one point, we had firewalls (at many levels) and some sense of partitioned security. Now to do business in some places, you have to put your process there and by that, the intellectual property is ripe for the picking. The West (US in particular) is very predictable, as we are an open society.. so if you want to suck out all the useful intel, you plan accordingly. I would guess we are allowed to exist until we present no benefit to some societies. We've donated willingly generations of knowledge of how to make things, taught the world how to learn, and now wonder why our good jobs are siphoned off, and our middle class is crashing. How many US cities are built with methods/technologies that are no longer local? Could we design a TV set anymore, or drive standards or accomplish grand things without relying on global resources? Masters of our own domain? Soveriegn? Not sure about walls, but we might benefit from some form of protectionism.