The ref didn't want to book any of their players did he?
I just found how he was handling the game in general to be weird, each decision in isolation is probably fine but it leads to silly things like Truffert being booked for a bit of a nothing foul on the wing but then only getting a warning for a much worse one in the middle of the pitch later on. I wish they'd review the whole concept really because yellow cards are utterly meaningless right now until you get a 2nd one but that creates a weird situation where the offence to get a 2nd yellow has to be an 'orange' offence in a lot of cases so you get this weird inconsistency where yellow cards aren't all equal.
Add a sinbin and add the concept of a team booking, much like they do in rugby, and I think it'd work much better.