The clubs should all come together raising their concerns with PGMOL
After the Luis Diaz goal in October, I remember a few managers got asked about it and I seemingly remember Kompany saying, something along the lines of, "they are human, they make mistakes, just get on with it". This same Vincent Kompany got sent off and fined recently for reacting badly to a penalty his team conceded, which to be fair to him was incredibly soft and many don't feel was a foul.
There's also numerous incidents such as;
Wolves disallowed goal v Bournemouth, denied penalty v Man Utd and the Newcastle penalty which were all horrible decisions.
Kovacic should have been sent off v Arsenal.
Chelsea penalty shout in the FA Cup semi.
Nottingham Forest penalty shouts v Everton.
There's many more I've not included that the majority will feel were situations where the officials were wrong, these stick out in my memory as being really obvious ones.
In most of these, the PGMOL have either had a half hearted apology, pretending that they'll learn from it and get better, or we've had silence. Sky and TNT don't seem to help improve things even though they have the platform to do it and are clearly not going to rock the boat as they don't want to risk losing their lucrative contracts.
So why don't the clubs, come together with a statement outlining they don't have faith in the ability and consistency of the officials at this point in time. Nothing will ever get done when one team raise concerns, but if you have 8/10/12 all asking for improvement, clarity, and consistency, then PGMOL will have to react to it properly. That could be releasing audio immediately after the game, having referees actually explaining the decision for all to hear, but most importantly, making sure correct decisions are actually made.