In some civilizations, saying the term "corn flakes" out loud is the equivalent of putting the whammy on a person's entire ancestry. Not only did you ruin that woman's lunch-hour, you cursed her whole family.
You gotta be more multi-culti sensibilities than that!
Around here, the Wal-Mart employees would have rushed to your side and offered to help you find more moldy merchandise.
"May I interest you in some putrid processed cheese foods? They're on special. Perhaps an over-ripe item from Kraft with so many veins it has a pulse..."
As for your particular package of green bread, I can only assume you returned it before Jenia saw it.