But the present glut of rich people is itself a product of ultra-cheap oil and the resulting globalisation of markets etc. In the small local world of the future, xillionaires in MegaMansions are going to find (a) that their pre-existing xillions don’t cut any mustard any more, and (b) that opportunities for gaining new xillions do not exist.
Quelle: The Oil Drum: Australia/New Zealand | The Future of Air Travel?