Bi-directional associations between mask usage and reasons for masking. Higher absolute values for numbers represent stronger associations. Numbers in parentheses are 95% confidence intervals. Osaka, ...

This is a bit of a rhetorical question. It's based on the simple fact that the percentage of the population wearing a mask in public in July 2022 was; 86% in Japan; 43% in the U.S.; 21% in the U.K., ...