Self\-knowledge\. Individuals should decide to help an organization working on X by estimating their impact there\. Donor\-independence\. Donors should refrain from telling executives how to trade off between the success of X and Y\. Pareto improvement\. When organizations trade off between X and Y, they should do so at a similar exchange rate\.
Is the idea that a single organization should pursue X or Y and not worry about the fact that any given donors will value both X and Y to varying degrees?
(If so I might have called this organization-independence, or single-focus.)