So you are saying he should have got it wrong?
The ref had a pretty decent view, possibly one player slightly obscuring this view. He is at a nice angle to see the challenge but about 20-25 yards behind play. His view is unique and cannot be replicated by the TV replay and totally different to...
Because the ref saw it from a completely different angle to anyone else watching, video replays have shown the initial decision by the ref to be correct.
Iwelumo will have seen a video of it, I doubt he was at the game, and his first reaction, like many of those who have posted on this thread...