The word unsustainable is what it is. I would rather be 5 years too early than 10 minutes too late. The rich will be fleecing the weak soon enough. Here is my blog on same topic: https://steemit.com/intro/@greenman/part-4-trust-who-do-you-trust-do-you-trust-your-local-city-council-provincial-or-national-gov-t-do-you-trust-the-global-world