In the age of the instant online review, people working on a new television show have to get used to some negative reaction. But the blistering critiques that have been directed at Aaron Sorkin’s highly touted “Studio 60 on the Sunset Strip” this season have been notable not only for their vitriol, but for who’s been doing the complaining. Much of the criticism of the show has come not from the great unwashed viewing masses, but from the very comedy writers whose story the show purports to tell.