Passage A: In copyright law, the fair use doctrine is vital for encouraging creativity. By allowing creators to use portions of copyrighted works for purposes such as parody, criticism, or education, the law ensures that copyright doesn't become a tool for censorship. Without fair use, the cultural landscape would be stagnant, as every new work would be entangled in a web of licensing fees and permissions. Passage B: The expansion of the fair use doctrine in the digital age has significantly undermined the economic value of intellectual property. When large-scale platforms allow users to upload 'transformative' works that are essentially substitutes for the original content, the incentive for creators to produce original works disappears. Copyright must prioritize the creator's right to control and profit from their work to ensure a sustainable creative economy.