> However, the response of Justine matches ancient societal expectations: if a woman has been violated, she loses all value.
"The response of Justine matches" (be more pretentious) the response of someone who has experienced extreme violation of trust by a close friend who was also an authority figure. If you like, invent a hypothetical scenario that involves public humiliation and violation of trust and all the rest and no sexuality whatsoever and a person might be equally traumatized.
It's interesting that you recommended she see a therapist. As with all the well intentioned advice she's getting as a result of posting this, it's certainly a possibility that has occurred to her and has been recommended by those close to her.