> Surprisingly few interventions are so good that you don't need fancy statistics to justify them To me the real story is that the CDC, which is supposed to be

> Surprisingly few interventions are so good that you don't need fancy statistics to justify them To me the real story is that the CDC, which is supposed to be the public health authority in the US, decided not to use said "fancy statistics" and instead chose to only include data that supported their policies. It's the CDC, they should have access to tons of data. Why such small sample sizes?