However in Smeltz's case, the way I see it. There is only two cases for it to be checked, either by the team challenge which no-one had made an appeal or by the ref's discretion of which it doesn't seem it was going to hapen. The other scenario would be that if there was a quick look at the replay, it would be just that. a quick replay look in which the video ref would after 3 different replays would have to ref back to the on-field ref that nothing seem "significant" and the likely result the on-field ref would decide it was a goal. Probably take about just over 30 seconds to look and refer back.
But AWB, if tv replays WERE introduced then Italy would have challenged it wouldn't they? Teams would challenge every time a goal is scored just in case there was something wrong with it. After all most games only have a few goals scored in them so they'd want to challenge whenever a goal was scored. And this was a critical goal for them.
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And there's still debate as to whether Reid touched the ball now, over a week ago! There's no way it'd take 30 seconds.
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Another problem I see is that there would have to be more time added on to the halves to accomodate each TMO decision - we could end up with 50 minute halves!
Not all goals will be challenged and I have said before that there is only a limited time of challenges per team. It would be likely to be used and it would leave two challenges left. A challenge could be defined as giving another 30 seconds more to look at the replays from a few other angles. Even if there is a challenge, it would be that long for this one to make a decision.
Whereas in Reid's case, it was too close to call and the goal is likely to stand, even after the challenge. In any such case, the goal goes to the attacking team, if it was as 50/50. So no real problems and end of regular match time debate. So that it can be left for debate afterwards over a cuppa.
It would also be silly to use one of the three challenges to an obvious goal. And a team that would use it for an early goal like that, then it is up to them to chance their arm. Who knows if they would have caught the right angle to catch Reid touching the ball in the given time then? They have the technology and would have develop a skill to look at certain replays of interest. Whatever the outcome as least they have a fair chance.
As for the time added, it would not be a serious issue because of the restriction/criteria of the replays. As it is, players have used up time by protesting/celebrating/stimulation and so a criteria for replays would dispel such time wasting as well as empowering the on-field officials. There is only so many goals to worry about and so really minimal disruption to the time. I think that the protesting attitudes of players would actually be reduced. as the decision is made and they all just get on with the game. No acting needed!