It's common here because it's important. This article was not reporting on a study with facts, they are proffering advice that they do not follow. I don't car

It's common here because it's important. This article was not reporting on a study with facts, they are proffering advice that they do not follow. I don't care why they didn't follow it, if you had time to make pretty graphics you have time to tweak and test the CSS on your site. Nor is this breaking news that the public needs to know at 3:48pm on Wednesday rather than 6pm on Friday. Sometimes they are actually written well enough or are so misleading that you don't even notice these things. I went to this article looking for affirmation of my own opinion (I happen to agree with the headline) and thanks to confirmation bias did not notice the comment form, and might have even bookmarked it or sent it along. Thankfully someone saved me a future embarrassment by pointing out that it's worthless as evidence, which is a large part of why I read the HN comments...