It is a largely romanticised idea that pops up here now and then. Meanwhile Anthropic just put up a post saying they are getting closer to replacing people in their own company. That's the objective.

I wonder how many mathematicians even truly understand any of the latest research which is only going to increase in output. It will be impossible to keep up unless you slow AI down (not happening).

Edit: Anthropic blog https://www.anthropic.com/research/employment-at-anthropic