Case in point: Charity Navigator, which places unreasonable importance on irrelevant statistics like administrative overhead. There are already charity effectiveness evaluators out there that are doing counter-productive work.
Personally, I think adding another good charity evaluator to the mix as competition to GiveWell/​Giving What We Can is important to the overall health of the optimal philanthropy movement.
Case in point: Charity Navigator, which places unreasonable importance on irrelevant statistics like administrative overhead. There are already charity effectiveness evaluators out there that are doing counter-productive work.
Personally, I think adding another good charity evaluator to the mix as competition to GiveWell/​Giving What We Can is important to the overall health of the optimal philanthropy movement.