They do. They also put reviews for different but related products together
> - so the 8GB and the 256GB USB stick reviews might all show together. Often
> there can be substantial differences this obscures. As well as allowing
> non-purchasers to write reviews.
They do that with various versions of move/tv and music releases also. You might think you've picked the version with the extra scenes or extra tracks only to find out the review is for a version that is no longer even available.
IIRC, they even do it with books.
Mike