That's the whole point though. They nag and moan at the ref from the first minute of every game. By the time a big decision like the penalty needs to be made the ref has already been influenced and pressurised into giving things their way meaning that there is no need for massive appeals. Just look at some of the soft penalties the mancs get, they don't have to appeal at all anymore. It's a deliberate and effective drip drip effect on the mind of the ref that builds up over the course of a game or season.