Today, you get paid a lot more for being able to manipulate bits than atoms. In 20 years, the population of people who know how to manipulate atoms will be much smaller and demand will be roughly same or up. Will we see those people get paid a lot more?
In 20 years, the population of people who know how to manipulate bits will be much larger, but so will the demand for them. Will programmers get paid more, adjusted for inflation, in 20 years?