20 years from now, labor demand for lots of skill sets will be substantially lower

AEI interview with Bill Gates:

“Software substitution, whether it’s for drivers or waiters or nurses … it’s progressing. … Technology over time will reduce demand for jobs, particularly at the lower end of skill set. … 20 years from now, labor demand for lots of skill sets will be substantially lower. I don’t think people have that in their mental model.”