Earlier quoted context omitted.
The Mask is only for compliance and to make other people feeling good, thats it, thats the only usage. It is not to stop virus because it can't, unless maybe a very specific type of mask and with proper training.
They help even when they are worn wrong. https://kottke.org/plus/misc/images/swiss-cheese-pandemic.jp...
Masks: The Science & The Myths : https://www.youtube.com/watch?v=9RaBLKKXJt4