"The only theory which fits all the evidence is the one I laid out: asymptomatic transmission did not have a solid, high-quality study behind it yet, and medical culture has serious problems doing anything but rounding priors and weak evidence down to "zero evidence" instead of doing the difficult work of choosing the best option under uncertainty."

Yup. See also how long it took before the medical community came around to accepting that it's an airborne virus, despite very early evidence from China and South Korea to that effect.