(I know you don't have Olive Gardens in the Netherlands, otherwise I would have assumed #2.)
You should. Because the fact of the matter is if you could tell, how many others are going to be able to tell? She isn't learning anything besides cutting and pasting, which is fraudulent for herself as well as those around her.
It's hard to tell how people take that critical feedback. But if your attentions showed -- that were to benefit her and not to bust her -- hopefully she's figured that out.