As someone who has worked for investment banks, it's incremental and everyone is either focused on some small aspect that is "not so bad", or so above and detached that it is not real to them. The individuals are people who are thinking, feeling, but the system is a machine that is most definitely not.
The top level though, the people who have insight into how this works, and power to change it and lose a miniscule amount of money, now those are the scum of the earth. Just don't blame the worker.
You're right it should work like that, but I remember trying it, and it didn't because of some weird security policy.
It is a very good tip though.