I'm pretty sure everybody agrees that Disney's The Little Mermaid or Aladdin (or Willy Wonka) are not faithful representations of the original source material.

I'm pretty sure everybody agrees that Disney's The Little Mermaid or Aladdin (or Willy Wonka) are not faithful representations of the original source material. Editing the book after Roald Dahl is dead and titling it "Mathilda, by Roald Dahl" is something completely different.