The book contends that Emperor Go-Toba lost the Jōkyū War because of his immorality, casting him as a villain, and that the event therefore does not necessarily challenge the authority of the emperor and his court.
The book posits that Emperor Go-Toba’s defeat in the Jōkyū War was due to his immoral actions, which portrays him negatively. Therefore, this loss does not necessarily challenge the emperor's and his court's authority.