It's certainly possible there's a backend flag on the site. But from the comments I see on Reddit, I suspect there may be a simpler explanation: a lot of people for some reason really dislike John Gruber and view him as someone who slavishly praises Apple. I'm a big John Gruber fan, and I don't think this is true in the slightest. I think he thinks carefully, forms his own opinions, and is very willing to intensely c…
"But this means his pro and con opinions don't match typical opinions and this makes him polarizing. And hence some people will flag his articles reflexively or post reflexive dismissals. And Hacker News is heavily weighted to downrank polarizing articles." The downranking is particularly weird since HN's professed norms go extremely hard on something along the lines of "you should take atypical opinions seriously si…
HN's "professed norms" (i.e., the guidelines) do not state that, and opinions, atypical or otherwise, have zero information content beyond the information that so-and-so holds such-and-such opinion.
Atypical opinions may be, on average, more likely to be accompanied by intellectually interesting arguments, but that's, at best, a loose correlation, not an iron law that where one thing occurs the other will also.