Here is another article on this burgeoning crisis. Fortunately, the researchers provide abusive parents with a way out:

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Does this mean you should pull beloved fairy tales off your youngster’s bookshelf? No, says Grauerholz, you just need to offer your children another point of view and help them think about the messages in these tales.

With young children, she recommends changing the stories. Tell Cinderella to your child as if she were male. Or change the ending so she decides the prince wasn’t right for her after all and lived happily ever after by making her own life.

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Not that this idea is novel. It’s been done before.