@ablerism I think of two things on this topic, in Venn diagram form: possibility and responsibility.
Thomas Pogge: ”The morally relevant comparison of existing poverty, in any case, is not with historical benchmarks but with present possibilities: How much of this poverty is really unavoidable today? By this standard, our generation is doing worse than any in human history.”
And of course, CS Lewis: ”I think the best results are obtained by people who work quietly away at limited objectives…just as the dentist who can stop one toothache has deserved better of humanity than all the men who think they have some scheme for producing a perfectly healthy race.”