Online? Ebay? Craigslist? No, you couldn't but them at Fry's, but when have you ever been able to buy similar grey-market electronics legitimately in B&M stores?
Without having to get into a drawn-out series of hypotheticals let's just stipulate that pushing DRM cracks that far underground is a win condition for a content industry that just a few years ago was as open to piracy as redbook CDs.