wazzu1452 wrote:
The study notes that "80% of US states mandated masks during the COVID-19 pandemic" and while "mandates induced greater mask compliance, [they] did not predict lower growth rates when community spread was low (minima) or high (maxima)." Among other things, the study—conducted using data from the CDC covering multiple seasons—reports that "mask mandates and use are not associated with lower SARS-CoV-2 spread among US states."
https://www.medrxiv.org/content/10.1101/2021.05.18.21257385v1
There have been studies in Asia regarding people wearing masks during Flu season well before the politicization of Covid. What they found is that the masks actually did nothing to reduce the spread of viruses from sick people to healthy. What they found is people tend to naturally keep a distance from someone who is wearing a mask because they think the individual is sick. So the mask worked as a social cue but not from a standpoint of effectiveness in its designed function. What they found is if the individual wore the mask but people did not separate from the person the spread was just as much as if the person was not wearing a mask. If the person did not wear a mask but they created the physical separation it was just as effective as without a mask.
This is important because if everyone is wearing a mask you have no idea who is sick and who is healthy so the social signal is worthless. The social distancing does work to a point, but if people have a mask on thinking it is doing something and cluster then all that goes out the window.
There are some masks that are more effective. But the only place we've seen studies that show that is in medical settings where you're dealing with medical classes who actually go through training on proper PPE, this a part of the med school curriculum. The idea that Joe 6 pack, or really anyone else wearing the masks Americans have worn around is going to be able to wear a mask in the proper way to reduce spread is absurd, and to argue otherwise you have to have a very academic utopian ideal of the world. Your average person is going to do things like throw the mask on the dashboard, put it in their pocket, rub their face when it itches, not wear it properly, etc. all of which will reduce its effectiveness. The idea that masks were ever going to make a significant impact on the spread of the virus from the start was totally ridiculous. In the real world it has proven to be totally ineffective. The only places that really fared any better were either rural areas which should have been obvious from the start, or areas like Seattle or the Bay Area that were extremely heavy-handed in their measures, never did any meaningful level of opening up, and had a large portion of the population that could work remote. You look at metros like Atlanta, Los Angeles, the Texas and Florida Cities, they all had about the same result. The bottom line is if you were in an environment where people needed to interact with each other in person the virus was going to spread whether you wore masks or not.