Yes foks its one of the strange but true facts.
http://www.uwire.com/content//topnews060806003.html In news that will likely disappoint litigation attorneys, new research suggests that it may be unwise for producers of digital goods to sue file-sharing Internet networks and individuals who trade copyrighted music, movies and software. A recent study by Tunay Tunca, assistant professor of operations, information and technology at the Stanford Graduate School of Business, and fifth-year doctoral candidate Qiong Wu, found that increased Internet piracy by individuals has reduced demand for commercially pirated products, like illegal copies of CDs and DVDs sold on the black market. Tunca and Wu argue that in the presence of Internet piracy, by strategic pricing, legal publishers can efficiently suppress commercial piracy activity and acquire a larger market segment and profit. This is because the damage done by technologically-savvy individual pirates can be less than commercial ones.
I am sure that this makes no difference to the luddites at the RIAA/MPAA etc they believe their own propaganda I,m sure, it pays the rent and keeps them employed to do so