To what degree do an author’s objectionable comments, unrelated to their books, matter when being a consumer of those books? J.K. Rowling’s bestselling seven-volume Harry Potter books are cherished by children and adults alike. Rowling has sold more than 500 million copies and the books have inspired movies, theme parks, toys, collectibles, merch and more. According to a U.S. survey, 31% of people have read at least one of Rowling’s books, 18% of people have read all of…