Yuval Noah Harari: at 1:12 mark in video
So we may be facing in the 21st century a completely new kind of inequality which we have never seen before in human history—on the one hand, the emergence of a new upgraded elite of superhumans enhanced by bioengineering and brain-computer interfaces and things like that, and on the other hand a new massive useless class, a class that has no military or economic usefulness and, therefore, also no political power.
He has a point that many people have misunderstood. He's not dictating this type of future scenario; he's letting people know what is inevitable. Not only will high tech not pay additional taxes (Santa Claus and the Easter Bunny) they will pay no taxes at all, which is true for companies like "X". Whether we like it or not, it's a point to where our society has been driving for decades.