Sample size 1, but: I don't pirate music, I don't pirate ebooks, I do pirate videos. It's not like I can't find music/ebooks (and indeed I do pirate books that aren't available for Kindle), it's simply that the paid UX is great: I can find anything I want on Amazon, pay for it easily, have it easily on my (non-Apple) computer and phone, and play/read offline.