As I recall, when the move to institute IR was started it was in response to some very obvious missed calls, and the technical advances such as cameras and computers. Cases where an official was not in position to make the correct, had attention elsewhere, or it was in a scrum. When IR started they mainly involved play where someone watching the recorded play in real-time could "get it right". In other words, irrefutable. Over the years I think that IR has shown that the officials in general are really good at making split second decisions in real-time.
The IR officials should have to make their "irrefutable call" in real-time, but with the ability to see all camera angles for the play in question. Perhaps player safety calls like targeting, unsportsmanlike, and multiple players involved should be given more time, but not those similar to the one in the given example. Hmmmm.....contact the ground.....a blade of grass.....2 inches below the elbow.....loose jersey......
It would be interesting to see how often the folks that grade the officials can look at the play from all angles in real-time, make a call, and then look at the IR to see if the call was changed, not simply stands as called on the field.
Perhaps it has already happened, but if not someday there will be lawsuits because of a call on the field, or an IR.
Between the commercial breaks, timeout calls, and IR the flow of the game is interrupted so often that the momentum is effected. It is now akin to a boxing match where a boxer has an opponent on the ropes when the fight is stopped for a commercial break.
