>If the public is told that only the sick people are to wear masks, then those who do wear them will be stigmatized and people may well avoid wearing them if it

>If the public is told that only the sick people are to wear masks, then those who do wear them will be stigmatized and people may well avoid wearing them if it screams “I’m sick.” If people avoid you that's rather good. Also, the mask might also say "I'm a healthcare worker who mustn't get sick, please keep the highest possible distance."