Ultimately, it seems pirated materials are 'free as in beer' ... and as the report concludes - in many cases, pirated films boost sales. To say nothing of the various personalities and corporate interests behind films for example that prosper from bare exposure, product placement, propaganda etc...
Incidentally, the same applies to software. I imagine by this time Adobe has a shadowy but no-less locked down funnel that teens enter when they first torrent and crack Photoshop...
Furthermore, it seems that the concept of piracy is fraught with mixed metaphors and improper comparisons, epitomized by the 'You wouldn't download a bear.' meme. These seem to be spawned by authority trying to leverage some moral sentiment without understanding the inter-relatedness of the cultural scene and the internet generally. Nevertheless this has created a general class of 'law-abiders' or 'normies' who might account for the people who ultimately purchase a product after being referred to it by a pirate.