I think the problem all started when Man started defying Darwin's law...
Had a similar experience last week. DW was bagging our groceries in the "you bag" register, which ends in two adjacent conveyors so two people can be bagging at once. The jerk across from the wife coughs without covering, straight at her face!

Needless to say, I gave him an earful about his lack of consideration for others. "sorry" he says... but in this situation, sorry just doesn't cut it. This type of behavior is killing people now, such casual disregard for others needs to become socially intolerable.
Guess you can see why I go shopping as little as possible; those who most should be staying at home now, won't do so.

Sorry to be such a downer, but my tolerance for such people is really wearing thin.