Even that person is likely being underpaid for the work they are doing. And unless they're the ONLY PERSON AT THE JOB then they're not doing all the work. Everyone is important to make things work. And I guarantee those other people aren't seeing the fruits of their labor either.
Productivity gains going to the top 0.1% since the 1970's has caused the rest of us to not want to work hard, because we don't capture our own productivity gains. I'm not sure how this is hard to understand.