Replays are there (for the most) to see certain points that are perhaps game changing or are contentious. Not to see what is happening off the ball. For instance Space just doesn't happen on the field of play - it's generally created by runs that unless it's pointed out just don't get noticed on the tv. That is one of the reasons Pelle doesn't always get the credit he deserves - over 90 mins he causes problems for the opposition or creates space for others - unless you are there you don't always get to see it.