Those “managers”(ptui) need to be fired for lack of ethics.(or at least severely retrained.) Unfortunately cream is not the only thing to rise to the top.
I hope your server friend was able to get herself to a better place. she is a valuable employee and a great asset to anyone who hires her. I know how hard she had to work to get those two certifications.
She now works at a widely recognized local charcuterie butcher shop. She is multi-talented. Was once a trauma nurse. Cancer survivor, wedding photographer, used her art background to learn how to make stunning cakes of many types and styles. Nearly anything she tries, she succeeds at.