Comments moved to <a href="https://news.ycombinator.com/item?id=21323015" rel="nofollow">https://news.ycombinator.com/item?id=21323015</a>, which was posted earlier. I copied this submission's title, which is much better, to the other submission as well. That was a good rewrite, as the guidelines ask: "<i>Please use the original title, unless it is misleading or linkbait.</i>"