It’ll be deflationary because the pool of available buyers shrinks substantially due to the effects of robotics upon availability of gainful employment.
True. More and more people will fall out the bottom of the employment market.
So what do all these people do with their lives?
The examples of Indian reservations, inner-city ghettoes and English slums do not bode well for a future with large numbers of people who are economically superfluous. Even when they have a lot more “stuff” than their hardscrabble ancestors.