semi-autobiographical... It is profoundly regrettable that Walton decided to render her childhood as an austerely radiant but ultimately forbidding city on a hill rather than transforming it into the welcoming and enjoyable postmodern playground it so easily could have become.
and his additional comments on it at Ruthless Culture:
echo with the same sociopathic lack of humanity as the scenes in which Ender ponders murdering or brutalising a bully in order to set an example. Mor’s detachment both from her own emotions and the people around her goes some way to accounting for why I found the book so cold and unaffecting; Mor comes across as not only potentially psychotic but actually psychopathic in her attitudes to other people.
The only appropriate reaction to being called a psychopath is maniacal laughter: