If you think of them as Oculus, it makes more sense. VR is a great training tool for things that need subjects not readily available. A good example is teaching doctors surgical practices without the need for patients or test animals (at least in initial rounds). So in that scenario, VR can he used to help save lives. In some instances, the military does the same, so why not use VR?

And then, you know, do the reverse of that, too, I guess? Ugh.