The Pirate Bay case was about the Pirate Bay admins, who are not - in this context - file sharers but - possibly - do make money from running the site. File sharers are those who put files in their shared folders in p2p apps, keep their torrents seeding after downloading them, and so on.
Disclaimer: I'm a reader of Kotaku, Destructoid and, occasionally, Joystiq. This said, I think the study should have been performed on proper gaming sites like IGN, Gamestop and GamesRadar, not those sellout ex-blogs whose main concern is now selling ads, forwarding marketing and PR emails and "going big".
You buy Apple, you know what you get. You publish on their platform, same thing. Continuing these behaviours despite Apple's obvious faults is only going to strengthen the company and their anti-user practises.
What can Apple, Cydia and the like do when the application is already on the devices? If there's no thorough, pre-emptive analysis performed, the March Madness is released. And (fortunately!) not all environments are as controlled and centralized as Apple's App Store.