I think the deal was that the line to which you refer was part of an earlier version of the script, but had been removed by the time filming started. I remember that one of the writers (Orci, iirc) was quoted as saying he would have liked to have kept it in.
Yeah, I read that in an interview in the Star Trek magazine.
Too bad, that was a cool concept.
Yeah, that is a cool concept. Like the timeline is some type of intelligent being trying to heal itself. Wish ours would heal itself so I can be somewhere else.