The marketplace has not gone away. When the big 3 go away, it creates a lot of entrepreneurships. Something meets the demand.
We are so used to centralized thinking it is hard for us to think differently.
The best think that might happen to us is the demise of the USA as we know it. (read those words carefully) We have witnessed the demise of a major world power in our lifetime. did the world end? Will it happen again? It has happened often in history. Prepare for the rebuild.
A land full of natural resources; land, energy and labor will import all durable goods in the future, even cars/trucks/aircraft. Makes no sense....