Consider the people for whom the vaccine won't work for, or will be less effective for, like anyone on immune system suppressants because of transplants, or some cancer patients/survivors, or those taking immunosuppressants and biologics for things like Crohn's, UC, multiple sclerosis, arthritis, etc.
It's been a year of this, and you should know by now that masks are meant to prevent people from unknowingly spreading the virus to other people.
From the FDA[1]:
> Q: Do face masks provide protection from coronavirus?
> A: Masks may help prevent people who have COVID-19 from spreading the virus to others. The CDC has guidance for wearing masks. Wearing a face mask may limit exposure to respiratory droplets and large particles and may help prevent people who have COVID-19 from spreading the virus.
