I was expecting reactions such as yours. I think this article belongs to HN because it's about a smart expert in his field who failed hard because of irrationa

I was expecting reactions such as yours. I think this article belongs to HN because it's about a smart expert in his field who failed hard because of irrational decisions he made : It questions expertise we acquire thanks to our education and experience. Can you be smart enough to avoid stupid decisions other people do despite being an expert and not them ? The answer seems to be that it's not an absolute truth. That's one lesson he underlines. I can relate to this (and a lot of people here too) because I'm becoming an expert (as in "focused") in web development. I find it deeper than you describe it, having several approaches possible. Finally it's very well written and entertaining too ;-)