I'm ~40ish but middle career and not in management. I envy this author, whatever joy he found in solving little puzzles and systems was extinguished in me very early in my career in an intense corporate environment. I was never one to love fussing much with code, but I do love solving system scale problems, which also involve code. I don't feel I am losing anything, the most annoying parts of code I deal with are now abstracted into human language and specs, and I can now architect/build more creatively than before. So I am happy. But, I was one of those types that never had a true passion for "code" and have meant plenty of people that do have that, and I feel for them. I worry for people that carved out being really good at programming as a niche, but you enter a point in your career where that becomes much less important than being able to execute and define requirements and understand business logic. And yea, that isn't very romantic or magical, but I find passion outside of what pays my bills, so I lost that ennui feeling a while ago.

Some may feel that it is a luxury to feel passionate about one’s profession, but for me a life without that is pretty depressing. A society should strive to make fulfillment in a profession possible for everyone.