A good short (not many of them out there) will know more about a company than the CEO and won't be in business long unless he does a tremendous amount of DD.
The ones I know about play the odds in blissful ignorance of the science.
For example, if most pivotal cancer trials fail they bet against them all and weather the storm when one succeeds.
For sure some CEO's know little about their own companies but surely you don't think all.
A good long does due diligence that is far beyond that of a short.
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