The referees and officials always get dragged into everything but this is one of the few times where you can actually point at the wider structure and say it is all built to fail, because when players are exhausted the game gets scrappier, the tempo drops, tackles get mistimed and then everyone starts moaning about standards as if the schedule has nothing to do with it, and the officials get forced into impossible situations where every tiny decision is magnified because the football itself is falling apart around them, and yet the people making the fixtures never seem to get the blame, they just keep adding more and more and more and somehow the answer is always to squeeze another match in rather than protect the one thing that actually makes the sport worth watching