Politically correct people have no problems with being rascists, masters or commandeering people to do god knows what. The just cant bring themselves to utter the words..
You are dead on concerning what the study did, how does that make it flawed ?
The study apparently came to the conclusion that the mask does not protect the wearer.
That's all it claimed!
Further, is it better to use the "body of evidence" than actual science to further human knowledge ?