I think some people will return them to shops anyway after they have seen the video and it being non ano on the second disc which im sure is not advertised on the packaging, not everyone goes on the net and knows what they are getting, Im sure they will be advertised as SW unaltered so they will think it is the main event on the disc and that the video is good etc etc.
Shops will be wise eventually to the quality of the release so it will expecting these to be returned, so it may not have an impact.