[oski]

Yeah, they were probably worried that you were sick.

But overall, it helps signal to everyone that you are taking precautions seriously.

And the more people who wear masks, the less stigma there is associated with wearing them.

The macro impact can be huge:

"If 50% of the population were to wear masks, only 50% of the population would be infected by the virus. Once 80% of the population wears a mask, the outbreak can be stopped immediately." https://www.researchgate.net/publication/258525804_Testing_t...