They clearly read the article, as they are citing numbers from it. You didn't read the hacker news guidelines: https://news.ycombinator.com/newsguidelines.html

They clearly read the article, as they are citing numbers from it. You didn't read the hacker news guidelines: https://news.ycombinator.com/newsguidelines.html https://news.ycombinator.com/newsguidelines.html