[PeterisP]

The probability for being in the presence of the virus is very low right now in USA, but it's quite high in many other places (e.g. Iran) right now and in USA in the near future.

If media can be pushed to destigmatize wearing of masks and stigmatize not wearing of masks, then this (combined with starting manufacturing large quantities of masks) would alleviate the overall spread of the virus in the post-containment mitigation phase, in which many countries are right now.