with the Noble Savage,,,an old theme and perhaps more important since Mother Earth is getting Borged.
The increase in the population of this planet is bevond sustainability now, let alone another 3-4-5 billion people within 30 years. The oceans have effectively been emptied, the atmosphere and oceans are becoming saturated with pollutants, and things will continue to worsen.
Its very much like when one wheels your parent into a hospital knowing that thet will come out in a box.
That is what is behind Cameron's tale.