I'll explain it in simple terms so that you might possibly understand it. Over the time frame involved, TWO DIFFERENT VARIABLES CHANGED...the FLOYD-19 riots and the mask mandates. There is NO WAY to separate those variables.
And I've looked up dozens of studies, including animal studies that show that masks DO work.
The difference between you and me is that you are selling specific viewpoint (i.e. masks are bad) and I am looking at ALL THE AVAILABLE SCIENCE.
My position remains unchanged. The balance of science says that masks work.
Here is just a small sampling:
https://erj.ersjournals.com/content/early/2020/04/27/13993003.01260-2020.figures-only