Refs letting the game flow

Its fairly obvious from yesterday and the games on tv today that refs are not blowing up at every bit of physical contact and ruining games.
They are clearly under instructions , long may it continue.
I'm happy with that and a real bonus is the cheats get told to play on.
Leeds diving in the box at every opportunity just became tedious.
If the refs started to hand out yellows at the next break in play for simulation I reckon we'd be well on the way to watching 'normal' football.