Just finished the book, was not shaken to my core. When 99% of trading became computerized,very few "trading desks" knew anything about the foundation of what

Just finished the book, was not shaken to my core. When 99% of trading became computerized,very few "trading desks" knew anything about the foundation of what they did. They were still trying to be an 80's guy. Not surprising that learning deeply about the electronic system at the basis of trading was lucrative for the few who did,