Makes sense - people who would actually pay for Adobe software probably wouldn't settle for a free 6-7 year-old version, and people who wouldn't pay for Photoshop anyhow will use the free versions, meaning (a) it's now really hard to be "the cheaper Photoshop" if you're a competitor, and (b) once the guys using the free CS2 can afford to buy this sort of software, they'll probably get CS6 instead of a competitor because they're more familiar with it.