This article repeats what we've long known about how technical interviews aren't great at evaluating technical skills and inadvertently filter for things that aren't important. But it doesn't offer a better way of evaluating technical skills. It talks about how to evaluate other things that do matter but aren't substitutes or proxies for technical skills. Also, this argument is some grade school smarty pants "I'm too…
A reasonable candidate can definitely make the mistake of not showing steps that they think aren’t important (and they can also go the other way and show way too many unimportant steps).