The fact that neither grandparent is the clear and decisive choice seems much more truthful than simply making one the hero and one the villain. Unfortunately, this movie was originally rated R by the MPAA for language. And although the filmmakers successfully appealed and the rating was lowered to PG-13, the script is still full of profanities, including a strong sexual expletive and racial slurs. Scenes of inebriation, illegal drug use and a clumsy fight between a drunk and a drug addict are also depicted in the movie.
Still this story clearly shows that when it comes to what is best for the child, the answer is rarely as simple as black or white.