While I understand the thoughts here about "not letting guest's return to the front of the Monorail"...
IMHO, I don't really see how that has any bearing on THIS crash as there were no guests up front with the driver, distracting him, or otherwise. With that said, "guest's" were not the cause of this accident (as it stands with what we know right now).
Guest's have been riding 'up front' for the past how many years now?...and there hasn't been a "distraction" accident. While the crash would have been much much much worse had there been guest's up front, it just doesn't make sense to say that they will 'ban' all guest's from up front.
I know, I know, it's all fun and games till someone gets hit in the eye - but still, that's like saying, no one can sit in the front or back of a roller coaster each time there's been an accident, or, well, you know what I'm trying to get at.