Movies are very hard to make, to get it all to come together. So many people have their say in what the end product of films are.
And you know, when you take on something like this, you read a book like this, you know that it's going to be an adventure. That's part of what draws you to it.
All species capable of grasping this fact manage better in the struggle for existence than those which rely upon their own strength alone: the wolf, which hunts in a pack, has a greater chance of survival than the lion, which hunts alone.