And this has happened, will continue to happen, because we can build machines which can do work better than we can do it, and can do work which we are simply not capable of doing. The people who build these machines are the real heroes.

Are we not already at the point where industrial machines have transformed the world ? The amount of work which they do is certainly immeasurable already, and increases daily. The amount of work they do which humans simply cannot do is the foundation of the world we live in already.