[woodandsteel]

>Once you have successfully labelled someone, you should actively fight any tendency towards empathy with them. Don’t bother worrying about whether their behaviour was intentional. Just kick them out. It’s for their own good.

That's not what the article said. It said that first you make clear to them their behavior is unacceptable, and if that doesn't work then get after them every time the exhibit asshole behavior, and only if that doesn't work after months of effort, then fire them.