This may well be true, but this is only partofthepicture, since the revision may leave others without a diagnosis for their psychological symptoms or behaviors that could (or should?) have a label.
This explanation would be bad news for proponents of market efficiency, but would be consistent with thepictureof overall stagnation in the VC-funded partofthe tech industry, since the driver of low returns would still bethe limited number of good new tech ventures.