Most people can't use mice or keyboards with speed, touchscreens are marginally better except all the "gestures" are unnatural as hell, and programming is pig latin.
Mice and keyboards and programming languages and all the esoteric ways of communicating with computers came about simply because we couldn't just talk Human to them. Democratizing access to computers is a very good and very productive thing.
Generative AI can be thought as an interface to the tool, but it's been proven that they are unreliable. And as the article outlines, if it can get to 70% of the task, but you don't have the knowledge requires to complete it, that's pretty much the same as 0%. And if you have the knowledge, more often than not you realize that it just go faster on a zigzag instead of the straight route you would have taken with more conventional tools.
It's akin to how everyone can build a shelter, but building a house requires a more specialized knowledge. The cost of the later is training time to understand stuff. The cost of programming is also training time to understand how stuff works and how to manipulate them.