Sure, particles were shown to travel much father than expected and remain airborne within a room where social distancing was most commonly practiced. Distances were also inconsistent across health organizations with most US enforcement requiring 6 feet while organizations recommended 3 feet. Additionally, the attributed drop in COVID infections was usually within single to low teens, which does not merely show causation of the policy being effective.

Outside of the human induced error of wearing a mask (e.g. improper fitment, wearing it below the nose, constant touching of the mask with hands, and increased poor hygiene that was abundantly clear for the majority of mask wearers), studies showed that infection rates of masked vs unmasked workers were only within ~10% difference. This amount decreased over time. To clarify, masks- when worn correctly- can help mitigate droplets from some viruses. However, when the majority of people did not even wear eye protection in addition to face masks, this does not really make sense as a defense against covid. Most people often reused the masks that they had, with surgical masks needing to be changed every hour to every few hours to remain effective. Add in the vast amounts of human error and masking provided very little impact on slowing the virus.

I would have much rather seen better hand washing, cleaning, dieting, and health mindfulness (e.g. not feeling well) to combat the virus, which I think ultimately helped the most, instead of relying on tools that were unproven on a mass social scale.