Because some nut, clutching their gun, waking up from a nightmare screaming "Hilary!" is a meme at this point. Bringing it up out of nowhere seems to mark tribal membership more than anything else. If it was just the first thing that came to mind then you should probably know (so I will tell you) that 'the emails' have become something of a loaded topic, what with getting mostly used as a rallying cry these days.
