WOW ...lots of finger pointing at her DD....thats not fair, she has a comfortable relationship where she can tell her mother these things. If anyone has children at least of middle school age, these things are know about. Many kids join in, and many, who were taught important principles and morals at home do not, and they feel completely comfortable talking to their parents about what is going on with their peers.
I think she is truly blessed to have a relationship like that, and obviously the kid is not into these kinds of things or she would not have told her mother about it in the first place.
I think she taught her daughter to not be afraid to talk to her, and to not be afraid to follow the crowd.
KUDOS!!