Even the least civilized, inconsiderate or unmannerly individual covers his mouth when sneezing or coughing around strangers. It is generally accepted social practice out of consideration for others.
Covering your mouth provides a benefit to others when as an asymptomatic individual you expel fewer particles of virus into the environment. And now there is evidence that wearing a mask limits the amount of virus particles you might inhale by wearing the mask. A mask is a continual covering.
Making mask wearing an issue of individual rights has skewed the issue so much that it will cost us billions to trillions in lost revenue due to continuing the spread of the virus.