It's not pirated. To be pirated it'd needed to be happening 15 years ago.
Why people buy them is the real issue. Heck, you can get it for free. Which i'm guessing is why less tech savy people may buy them. Since they can't find them easily on the web once horrid violators of abandoned decades old software copyrights are quickly smitten by the holy crusaders of the Order of Cloanto.
For some people, i guess it pays to pay and forget the hassle of finding them. It's sad, but true.