That's my impression too, specifically with the Guardian. If I'm not mistaken, you used to be able to comment under most articles, then they started to disable

That's my impression too, specifically with the Guardian. If I'm not mistaken, you used to be able to comment under most articles, then they started to disable comments under articles on "inflammatory" subjects (read: about immigrants etc.) and now you can hardly ever comment. Which makes sense, because o lot of their articles would be just torn to pieces if commenting was allowed.