We were all willing you to hold on for a replay, or even nick a win. We've had enough experience of red cards changing games this year to appreciate exactly what you're saying.
Will it be used to look for encroachment at the penalties they have just awarded? Should be easy to spot.
Stopping a player in his run-up to the penalty for an earlier offside is just nonsense isn't it. Did they explain it to the fans - I think I would have been totally baffled!