Many jobs that used to require lots of people doing calculations - they were called calculators - have gone the way of the dodo with the advent of computers and desktop calculators that do the maths now. I fail to see why commercial artists are a protected species.
"Before electronic calculators and computers took over, "human computers" was a real job title. These people, often women, were employed to perform complex mathematical calculations by hand or with the help of mechanical tools.
In fields like engineering, astronomy, banking, and even military operations, these human computers were essential. For example, during World War II, women were hired to calculate artillery trajectories, a task requiring immense precision and stamina. In the late 19th and early 20th centuries, institutions like the Harvard Observatory employed teams of women to analyze astronomical data—these were the famous Harvard Computers"