The demandingness of morality is the cost to the agent of complying with moral demands. According to some authors, there is a limit to how much morality can demand from us, and any moral theory or principle that exceeds this limit can for that reason be rejected.
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Notes that the requirement to work on high-risk, high-reward causes places an additional and different type of demand on the agent from what discussions about demandingness usually focus on.
MacAskill, William, Andreas Mogensen & Toby Ord (2018) Giving isn’t demanding, in Paul Woodruff (ed.) The Ethics of Giving: Philosophers’ Perspectives on Philanthropy, New York: Oxford University Press, pp. 178–203.
MacAskill, William & Darius Meissner (2020) The demandingness objection, Utilitarianism.
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Singer, Peter (2015) The Most Good You Can Do: How Effective Altruism Is Changing Ideas about Living Ethically, New Haven: Yale University Press, ch. 9.
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