im happy with the system as it is.
the one thing i think they should introduce though is an alteration to the send off whereby a player can be sent-off or “expelled” from the rest of the game, but that player is allowed to be replaced ie, the team still has 13 players on the field but only 3 on the bench. this could be used in situations whereby a player is wiped out of the game, (eg through a dangerous tackle that resulted in concussion) but the offending player that caused the injury is not deemed to have been reckless/careless enough to warrant a traditional send off.
i introduce this idea because at the moment referees are so reluctant to send off a player because it has such an impact on the game. this has seen us and other teams significantly disadvantaged in a number of games this year. one incident that comes to mind is ben teo on groat earlier this year. broncos and teo did not deserve to be down to 12 men on the field, but it was unfair that groat was rubbed out of the match for us. therefore i think this would be an ideal situation for the refs to say “ok, teo u can no longer take part in this game, but the broncos can still have 13 men on the field”