Damer,
Th way I see it Jason has in fact done RJ, and us, an important service. He has, in effect, been a beta-tester. Thanks to him, and others, OUR experience of AMOL may well be better than it otherwise would have been.
I have been looking forward to AMOL as much as anyone and do not begrudge him the fact that he has already read it. Perhaps HIS experience will turn out to be less good, because he has had to point out things that just weren't quite right.
For myself, I would put up with another 6 months wait, just as long as this final chapter does Robert Jordan proud and the whole Wheel