"The trafficked person did not reveal they were being trafficked, because they were trapped on an island with their abuser and were afraid".
This is not blaming the victim, nor a defense of the abuser.
From Minsky's point of view a girl who was old enough to legally consent to sex offered to have sex with him. According to witnesses at the event he turned down the offer.
The statements that Stallman made about the nature of those crimes, were not what you claim they are.