Both. If I sell obviously pirated CDs on the street corner, it's not only illegal for me to copy them and sell them, it's also illegal for my customers to buy them.
Is it? There's plenty of people prosecuted for running illegal streaming sites and torrenting (which involves uploading), but I don't know of any efforts to crack down on non-distributors.
Is it? There's plenty of people prosecuted for running illegal streaming sites and torrenting (which involves uploading), but I don't know of any efforts to crack down on non-distributors.