Quote ="kt170496"So you are still learning the laws and rules then'"
Now now, that's agesit.
The length of time he's been supporting is irrelevant, but your observation that he clearly doesn't know the rules is valid.
The team were on a warning, Horne comitted the next offence (well, the next that Ganson saw) and so was binned.
As someone else mentioned, this isn't anything new, it just used to be less obvious to the spectators becuase the referee only told the Captain.