The truth about mask wearing is not presented by MSM completely. They do not want it known because it would deny them their control over us.
The studies about masking of the entire populist do not, and cannot, claim masks entirely stop one from contracting the virus.
What they do demonstrate is that masks reduce the amount of virus emitted and inhaled.
The effects of reducing the viral load in and out allow people who do catch the virus to be less ill and for all people to build immunity, some without symptoms.
It means most of the country could stay open. It means people can adjust their behaviors, but not to isolate.
A handful of people , including Redfield, have been saying this almost from the beginning, but have been silenced(e.g. Redfield from taskforce) or ignored.
The contradictory info is meant to cause chaos.
Universal masking can be minimally difficult and very effective at building immunity and reducing severity of the disease.
Until we get safe and effective treatments and vaccines, it is the best we can do.
What they do demonstrate is that masks reduce the amount of virus emitted and inhaled.
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1. Not credible. The masks leak and the fabric itself is not military grade.
2. The masks make harder to breathe, forcing users to breathe more to get the same amount of oxygen. Thus, if you are breathing germs you are breathing more of them
3. Even if the masks were somewhat effective, the positive effect is likely too small to justify inflicting masks on the entire population to prevent a disease like this that is generally lethal only for certain identifiable groups.