Originally Posted by
LTNman
With the virus once again out of control, particularly in Spain, where mask wearing is compulsory, even when walking in the open, I have to start questioning the effectiveness of masks, as they don’t appear to be making much difference. In the UK the Government stated this many times but was pressured to introduce the mask in certain situations like travel.
You can't conclude that masks aren't making much difference because you don't know what the infection rate would have been if masks weren't being worn. It's possible that in such a situation, the infection rate would have been much higher and so masks could be having a beneficial effect.