These comments should be removed r from HN, because they in no way actually add to the conversation. They aren’t intelligent, they aren’t insightful, they aren’t actionable, and they don’t invite a genuine reply. All you’re saying is that you happen to not use these technologies yourself – something that I’m sure is only by happenstance – and that you feel superior for it.

This is a blog post by GitHub. what are you suggesting that these employees do? Simply ignore that they exist? Regardless of whether or not you use them, they still exist.