The entire concept of software and is that the marginal cost is 0. If it gets to the point where there is a one to one ratio between worker and service, it becomes yet another commoditized race to the bottom.
There is also nothing stopping many of the three billion people in India and China from producing these services and now all of the protectionist policies in the world won’t protect “good American jobs”.
But as far as Amazon and Apple, that’s just the point. Apple’s “manufacturing employees” are overseas and Amazon is trying to automate more so that they don’t need as many FCs.
Why can't there be a million times more software and services available? It doesn't have to be just MS and Apple and Amazon providing jobs.