Final answer:
The ethical debate in the case of the oil tycoon primarily revolves around the notion of sustainable ethics.
Step-by-step explanation:
The ethical debate in the case of the oil tycoon primarily revolves around the notion of sustainable ethics. A sustainable ethic attitude in this context would involve finding ways to balance the economic interests of the oil industry with the need to protect the environment and ensure the well-being of future generations. This can be achieved through measures such as conserving oil resources, developing renewable energy alternatives, and adopting practices that reduce ecological harm caused by human activity.