“How is this Subway’s fault?”
Precisely. In agency theory, this is called a “frolic of her own”. Unless this was done within the scope pf her employment, while working, and Subway can be shown to have condoned or ratified the action it’s her problem, not their problem.
Isn’t the Facebook posting time and date stamped....so it would be easy to see if she was at work while posting.
Her attitude just might spill over into her food preparation.
I am not saying it has, but she doesn’t seem to hide her contempt and hatred and just might use any opportunity to act on her emotions.
I wouldn’t eat there. If I was a policeman, I certainly wouldn’t show my face there. And criminals probably know that now.