Bankers don't need focus, any monkey can beat the market [1], but monkeys can't bill 80 hours a week for it.
[1] https://www.forbes.com/sites/rickferri/2012/12/20/any-monkey...
[1] https://www.forbes.com/sites/rickferri/2012/12/20/any-monkey...
This isn't what bankers do.