In the defence of the 'reviewer', he at no point attempts to review the book, his piece is solely on the writing style in the excerpt. And I think anyone would admit that the excerpt in question is clunky, and verbose in a way which, purely in my own experience, is quite typical of the early pages of TV tie-in literature. A need, which tends to evaporate as the story unfolds, to set a scene as if it were an episode teaser, detailing every tiny visual clue a TV screen gives instead of realising that such precise detailing is unnecessary in this medium. We can imagine Archer's office, the layout of the desk and monitor, and the details of Porthos eating in the background without having every adjective spelled out for us.
This is not to say the review is without fault - as other's have noted he makes his point a dozen times over, and his pretentious attitude shines through every sentence. But the actual criticism of the extract is not without merit, imho.