I think events in cartoons should be allowed to be depicted differently to events in real life -- that's part of the nature of cartoons. If the people who make cartoons want to add seatbelts to future productions, then that's up to them, but if seatbelts are added in to existing cartoons, I don't where it would end. I hate to think of what would be done to Tom and Jerry, Road Runner or other classic cartoons.

I'm not sure revisionism has any direct connection to the Blu-ray format though -- if that's what's being suggested. These revisions to films began on DVD, if not before. They are simply becoming more common at a time when Blu-ray is becoming more widespread. Admittedly, this might be helped by the fact that to make films look good on BD studios often choose to go back to the negatives -- or otherwise "remaster" films -- and this provides the opportunity for director's to fix goofs or otherwise make additions. I have no real objection to fixes for Special Editions or Director's Cuts, as long as theatrical versions are respected and preserved "warts and all".