Resolves YES if at any point before 2026 either:
1) At least one of current GiveWell's top charities turns out to be less than 30% as cost-effective as GiveWell currently claims (e.g. there is some significant fraud/mismanagement of funds at GiveWell itself or one of the top charities that makes the cost-effectiveness go to 0)
2) None of the current top charities (Malaria Consortium, Against Malaria Foundation, Helen Keller International's Vitamin A Supplementation Program, New Incentives) is still a top recommended charity by the most used cost-effectiveness charity evaluator for Global Health and Development (according to me) (edit: I meant "most used according to me", basically the most popular one in EA)
EDIT for 2): Resolves as YES only if it turned out they weren't the most cost-effective places to donate in 2022, not if e.g. all 4 problems are solved by 2026
Random example: Resolves YES if the EA Funds and the EA consensus manages Global Health interventions following the Happier Lives Institute recommendations
#1 would not be that surprising and would not (to me) indicate that the recommendations had aged poorly. Evidence for some treatments is evolving, and they aim to do as well as possible given the current state of knowledge, but this doesn't entail any kind of claim about the current state being static.
I think there is a disconnect between the question title and criteria 2) FWIW.
EA consensus shifting to e.g. earplugs in Bangladesh against noise polution based on HLI recommendations indicating it's even better than current GiveWell top charities does not seem to entail that GiveWells recommendations age poorly.
When I hear "age poorly", I think of something going sour, i.e. becoming worse than before, not that we find something else that is better.
@lu It depends on my future understanding of the "EA Consensus". Today I would look at e.g. The Global Health And Development Fund ( https://www.givingwhatwecan.org/charities/global-health-and-development-fund ) is basically just GiveWell, and the Global Health donations here https://forum.effectivealtruism.org/posts/LNbzDCgCH2py3cnJv/where-are-you-donating-this-year-and-why-open-thread (mostly GiveWell).
It does not depend on my personal views on the quality of the recommendations, only on their popularity/reputation in EA