The reviewer found the characters shallow and boring, and the plot unfulfilling. They were disappointed with the overall quality of the book.
The reviewer was quite critical of the book, stating that the characters were incredibly shallow and boring, which is unusual for a Card novel. They felt that the plot had some initial promise but ultimately fell flat. The reviewer expressed disappointment with the book's execution and felt that it did not meet their expectations. They also mentioned that the story seemed to lack the depth and complexity typically found in Orson Scott Card's works.
Quick quotes
The characters are incredibly shallow and boring
The plot seemed to have some promise but I was just so ...
which is basically never the case with a Card novel