Very interesting read! The last part of the blog detailing the lessons learnt from the 'Hayes and Adoboli' case will serve as a good benchmark for evaluating ourselves I guess.

I have a query: Is failure to communicate through written media such as letters or emails creating an opportunity to vioate ethical standards? As in, if all communication betwen a supervisor and a subordinate is on paper and not verbal, will it help in minimising the violations?