The question is what classes of jobs will replace the ones made obsolete by a particular innovation, and how many vacancies there will be. With electricity we had managerial, creative, high dexterity, etc. jobs. If a sufficient amount of human capabilities are replaced then that may be different to electricity. Also it's about how many top-tier "power plants" (AI, robotics) there are, who owns them, and once "everything is solved" (which it isn't yet) how much of that will trickle down to everyone else's life quality.