They can't be too greedy, or they'll lose business to competitors. They can't be too selfless, or they won't have the resources to do incredible things. Hypoth

They can't be too greedy, or they'll lose business to competitors. They can't be too selfless, or they won't have the resources to do incredible things. Hypothesis: Price, efficiency, benefits to the consumer all oscillate over the years, never to converge, as competition naturally enter and exit the field.