Todd VanDerWerff with the Money Quote on “Glee”

But the simple fact of the matter is that Ryan Murphy is one of the most powerful men in television right now. He could be making any kind of show he wants, and what he’s choosing to make is a half-assed, attention deficit disorder-ridden show about whatever the hell pops into his brain at that moment.

Glee has become a shadow of its former self not because, but in spite of its success.