For me there are only two reasons for a TMO. First to adjudicate whether a try has been legally scored and second to identify foul play in real time to ensure the miscreant and his team are dealt with there and then. Black and white pure and simple.

So let’s travel back to Gloucester on Friday night. Gloucester had what appeared a perfectly legitimate try disallowed in the first half because of a discreet dummy throw in by hooker George McGuigan.
I’ve never seen this law invoked before and I am more exercised by hookers seeming to have licence to stand in the field of play and closer to the...