As time goes on the more essential it will become as it is one of the last jobs to be taken by AI.
I think people will always learn math, programming, and natural languages for fun and intellectual growth, but I don't see those being paying jobs in 2 decades, when AI will be vastly superior to us.
For example, think about how many millions bugs are because of the most basic of human errors, time and time again, and the huge costs associated with that.