I'm not sure if my concern is about the referees, really. My concern is them backing down when they get criticised for it, so there is part blame on them. But it more about the ebb and flow of the opinion of the footballing community (easier to type that than...
It'll be like the season thy clamped down on holding at corners. There will be a speight of cards early in the season, then sections (players/pundits/fans) will overegg the inconsistency, and/or the large number of people being sent off and how wrong it is to punish them when it's in response to...