The fan service part is true. Tyrion and Jon Snow make sense, as Tyrion meddles in everything and The Wall is a small place. But there is no need for Cersei and Daenerys. Daenerys in particular was forced as hell. No decent reason was given as to why we need to see her. Doesn't help that the entire Forrester family is trying to be the Starks 2.0. They even try to make Garret sound important to family, when he isn't at all. I enjoy the games and I really like Asher and his companion, but everything is else is pretty meh.