Well, that's a matter of taste but plucking out something out of an article, sticking it in the headline and getting it wrong, is not a good summary and, to my

Well, that's a matter of taste but plucking out something out of an article, sticking it in the headline and getting it wrong, is not a good summary and, to my eyes, blogspammy behaviour. But it the taste part doesn't matter much because HN's guidelines ask people to submit original sources so the original article would have been a better fit.