People here are arguing that having "esoteric" knowledge is pointless. But the point of the article was to use it as a "discussion point" and get the person tal

People here are arguing that having "esoteric" knowledge is pointless. But the point of the article was to use it as a "discussion point" and get the person talking about things. I've interviewed lots of developers and that's much more important to me than whether they know the intricate details to see whether they are good to hire.