That's reaching. Anyone who pays any attention to Doctor Who fandom since 2007 know Blink is a really popular episode, it usually tops fan favorite lists for the modern era, especially among fans who began watching with Eccleston or Tennant. RTD acknowledging Blink's popularity is not proof Moffat is "helping him with his homework" or whatever. Indeed, considering the fans seen in this episode are hard on another Moffat episode (Boom from last season) and that we have Belinda being dismissive of Blink's premise, which I don't think either would have happened had Moffat had a hand in that scene. Well, okay, Moffat isn't above a self-deprecating jab, but I still don't think he had anything to do with that scene.