This article is overly fixated on overt assholery. Much of the worst asshole behavior I've encountered has been done by people who are outwardly polite and high functioning and have often never had a cross word for anyone. I would much rather get a tersely worded group email (ooo) than have to do someone else's job for them. Let's be frank. The #1 asshole thing not mentioned here is (shouting and swearing alert) NOT…
Eh at the very beginning of the article, the writer states that this article is exclusively about smart assholes, assholes who are good at their job. Someone who is not doing their job is not a smart asshole and is much more easily identified and removed.
If you think that it's always easy to identify and remove some asshole that's not doing their job, well, you're either not very experienced or you've had the good luck to only be in places with way more functional management than some of the places I've been in.