It's cost-prohibitive to start a new business in those fields due to large-scale regulatory capture and capital barriers. How many new car companies have been s

It's cost-prohibitive to start a new business in those fields due to large-scale regulatory capture and capital barriers. How many new car companies have been successful in the past decade without the personal fortune of a multi-billionaire? The existentence of one or two enormous hidebound sequoias in a forest is not a good indication of its overall health.