You can make the same argument about buying MGM. Looking at Publishers Weekly, I see this: "An important driver of print book sales last year was the continui

You can make the same argument about buying MGM. Looking at Publishers Weekly, I see this: "An important driver of print book sales last year was the continuing increase in backlist sales, McLean said. Backlist titles accounted for 67% of all print units purchased in 2020, up from 63% the year before. In 2010, backlist accounted for only 54% of all unit sales. " https://www.publishersweekly.com/pw/by-topic/industry-news/bookselling/article/85453-a-year-for-the-record-books.html https://www.publishersweekly.com/pw/by-topic/industry-news/b... I think you could make a strong argument for buying a large publisher (or anything really) given a good ROI.