In respect of the bank's duty of confidentiality, the exception relating to "Public Interest" is the most significant one in the 21^st century, especially in our age of global terrorism that threatens human lives. It, therefore, follows those the other three exceptions are subservient to the exception relating to Public Interest. Do you agree?

Explain briefly the concept of duty of secrecy "in your own words." Thereafter, critically analyze the above statement and give your response to the statement, duly supported by reasons.