Even if he had been found guilty at the time, I'm sure the words "she led me on" would have been used.
I can see why parents might want to spare their children from that slur.
What about the kids who wanted the crime investigated? Janet Street-Porter recently revealed she reported abuse to her mother who just dismissed her. She looked visibly upset as she retold the story. It would appear some parents are more concerned about the effect on themselves of telling than on their abused kids.