Then the claim may be that you don't need that many doctors anymore and that one doctor can do the job of X doctors in less time which has the economical effect

Then the claim may be that you don't need that many doctors anymore and that one doctor can do the job of X doctors in less time which has the economical effect that there is less demand for/supply of doctors, which then results in a home grown shortage of doctors, since less people are incentivized to become doctors...