It is the inconsistency week-to-week between refs and even between the first 70min and last 10min that does my head in...
Why have a rule if you are too scared to apply it when the game is on the line? Seems to me the refs know how easy it is to affect the result with it and are avoiding controversy with it...
The ole "we're almost done boys...put the whistle away!" trick.
Happens in hockey as well.