Final answer:
The utilitarian argument for professional confidentiality is that it maximizes overall happiness and trust, while the deontological argument is that respecting confidentiality is a moral duty regardless of consequences.
Step-by-step explanation:
The utilitarian argument in defense of professional confidentiality is that protecting confidentiality maximizes overall happiness and trust in professional relationships. This means that when professionals keep information confidential, it promotes happiness and trust, leading to a better overall outcome for society.
The deontological argument in defense of professional confidentiality is that respecting confidentiality is a moral duty regardless of consequences. This means that professionals have an ethical obligation to maintain confidentiality, even if it may not produce the greatest happiness or benefit society.