"There's a reasonable argument for putting forward the opinion that when someone has bought something in one format and has acquired the copyright for it in that particular format then there is a fair use for them to take it to another format. I think it's a strong argument,"That, of course, would be a nonsense statement.
If I purchase a DVD, I do not acquire the copyright for the materials on the DVD, but merely a license to view them in the privacy of my own home. I hope the scope of the review will not be based on this quote, otherwise it's nada ;-)
or
would be more accurate, aiui.
Cheers, aj