What is a troll? No, I’m not talking about the naked giants from the Hobbit movie. I am talking about the people who annoy us online with their malevolent, disparaging opinions based on cluelessness, spiteful frustration and zero relevance. Those we call trolls. There are trolls to be found in online (book) reviews. They are some few people who basically only ever write bad reviews, and who do not stop at disparaging the medium (book, film, etc.), but also launch massive personal attacks on the authors and media makers and on all those who have the audacity to like what they dislike. It is perfectly all right not to like a book or a movie. We cannot all like the same things. We also do not necessarily all have to like Tolkien. And it is equally acceptable to say so and state the reason for your dislike. Massive attacks on…