Bezos didn’t get where he is from just the free market. He got here because he was fortunate enough to have parents who could give him a $250k seed round.
https://www.cnbc.com/amp/2018/08/02/how-jeff-bezos-got-his-p...
He was a finance guy during the tech boom. He could have gotten the capital somewhere else.
Also I’m not sure what you increased “sensitivity” would get you. Acute stroke is a clinical diagnosis, the imaging determines the type of stroke and treatment.