I was commenting on "There would be no one left" part. I don't think that is ever possible for critical jobs. If a job is essential for the society, usually the

I was commenting on "There would be no one left" part. I don't think that is ever possible for critical jobs. If a job is essential for the society, usually there are enough workers to do it. You are right about this point - if too many people have skills to perform "high paying jobs", those jobs won't remain "high paying" for long.