Since most of 'Mean Girls' consists of the outsider Cady observing the tribal rites of her new setting and laying it all out in narration, this movie is just like home for the meticulous and ruthless deadpan that Ms. Fey has perfected for the satirical 'S.N.L.' newscast in which she and Jimmy Fallon are the anchors.
When Bruce Lee gets his cameo in 'The Green Hornet' - as one of the drawings in Kato's notebook - it clarifies what the film is: an unrealized sketch. A sketch can afford to allude to a point of view. Moviemakers need to show their point of view, something this shrug of a movie never gets around to doing.