The YouTube video by Sean Anthony introduces a "writerless method" for book creation, contrasting it with the traditional, time-consuming approach. He highlights the significant desire for book authorship versus the low completion rate. Instead of writing, Anthony proposes leveraging AI to convert interviews or existing content into books, either for personal use or as a client service. This method offers a faster, easier path to publishing, potentially generating income by serving experts who lack the time or inclination to write. He outlines the process involving topic selection, content conversion, formatting, and publishing, suggesting it's a high-demand, low-competition opportunity.