Tell that to the medical professionals. Tell them you are an expert and they dont need to complain anymore about not having enough PPE equipment because they dont need it to protect themselves.
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*sigh* I’m talking about the uselessness of a plastic shield to protect your eyes from airborne virus. But by all means, go full straw-man.
Same principle. Ask why medical professionals want to wear face shields.
Face shields DO lessen the viral load.
As an example, the employee who just shot me with a load of germs would have not been as successful if done from the front versus from the side of my head.
That said, that shield certainly did protect me from getting some of it even from the side because it goes far enough back.
But hey, go head and tell medical professionals they dont need to wear face shields when treating covid patients.