Please don&#x27;t post unsubstantive comments.<p>Especially about downvoting, which the HN guidelines explicitly ask users not to do: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;newsguidelines.html" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;newsguidelines.html</a>