In each of these cases, lots of relatively low-value jobs were no longer needed and a few very-high-value jobs sprang into existence.
The author of the article loves coding. But software is about solving problems efficiently, not punching the keyboard. The other parts of the job might not be as fun for everyone, but they are even more valuable than typing code. Great programmers could always do both. Now they can focus on the higher value work more by leveraging tools that can do the lower-value work.
Work is not supposed to be fun. That’s why they pay you to do it. If it was fun, you would have to pay your employer. (Tongue in cheek advice).