I think the social signal part has second order effects that make it work out not as you would expect. If ONLY sick people tend to wear masks then masks will m

I think the social signal part has second order effects that make it work out not as you would expect. If ONLY sick people tend to wear masks then masks will make you a more visible target of fear and hate, which would lead people who are sick to not wear masks. It's a much better idea to destigmatize the act of mask wearing so we can get larger coverage of sick people with mask s.