its efficacy.
Wearing masks doesn't prevent a person from getting the virus, it helps in a big way to prevent someone who might have the virus from passing it on as well
as it helps in a small way prevent the wearer from receiving the virus
The reason for social distancing is that while wearing a mask it exponentially reduces the risk of either getting the virus or passing it on.
This photo shows, that even if you're one of the four or five mask wearers in the crowd of almost 2,000, crammed into that small area, wearing that mask is rendered almost useless.
But they're Republicans and they'll do as their cult leader tells them to do.