for me it isn't the terrible calls and general lack of awareness from the refs, it is the utter lack of control that they have on the game. players and coaches are realizing that they can get away with more than normal.
players are getting chippy, coaches are pulling stunts (SF was a prime example today), and the game is devolving to sandlot football. I don't think I've seen a week where a fight hasn't broken out. I even think I saw a ref get clocked in the head last weekend and a single flag didn't fly. Hoc-ules would have ripped the guy a new a-hole.
the NFL has stood for professionalism all around. Unfortunately now we have a lack of professionalism from the refs and it shows. is it entertaining, yes. Every week something new is going to bubble up and I'm going to watch no matter what. so, queue Russel Crowe in a referee uniform asking us if we aren't entertained. that is what the NFL really stands for entertainment...and a crap ton of money much like hollywood.
also, if someone really does put a zebra suit on Russel Crowe I want credit when it hits reddit.