I tend to agree with you. They may not stop you from getting the virus but given that there's strong evidence that people can transmit the virus pre symptoms th

I tend to agree with you. They may not stop you from getting the virus but given that there's strong evidence that people can transmit the virus pre symptoms then it would make sense to wear them so you don't transmit the virus via your secretions. Unfortunately, it's all a guess there are no studies on the effect of wearing a mask. There are so many questions that have no answer now. Such as: How long can we wear them? What is the best material? Would people follow best practices or would it make it worse if they don't? Can we make enough for everyone given the emergency? What's the best design? How many do we need for each person? and on and on...