From what i've seen of the offside technology in development, it shouldn't have to be that far removed from GLTVR can't be instantaneous so long as it is designed to review judgment calls. Sports that have very fast review are reviewing black and white things--did the tennis ball hit the line. Most sport exclude judgment calls. But even ostensibly black and white reviews in other sports take time (i'm thinking NBA basketball--who touched it last) or American baseball (was the tag before the runner touched the base). If those factual reviews take time, how did anyone ever expect it would be fast to determine on video both whether the arm and ball had contact (Factual) and whether it meets the definition of deliberate (judgment). Even the primary factual call--OSP--is complicated by timing and precisely determining positions of players 3o yards apart from one another. That all takes, and will always take, time. (Unless, I suppose, we turn this all over to an AI . . . .)
Although UEFA are pushing the VAR propaganda hard, its these delayed offsides which suck the life out of the game. Why the law makers fought hard against technology for two decades before suddenly overwhelming the game with changes is absurd. It can only boil down to money, which will also be the only thing that to apply the brakes if the game becomes less appealing
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