It's not too hard to imagine. Some designer was assigned to replicate the page and he did the easiest thing possible. They probably figured nobody gives a crap, and they would normally be right. But for whatever reason somebody decided to call these particular guys out and for whatever reason this particular case caught on the tech sites.
I would bet money there is not one web designer here who has never taken a tiny snippet from another site. It's kinda more of a matter of the quantity of content that they took. Plus the hot linking was especially dumb.