Yep...situtation like that are certainly enough to get your blood boiling! I can't blame you for saying something to her...I wouldn't have been able to contain my thoughts either, even though you KNOW she knows better and has been told that before.
Hmm...wonder if she'll join here

She'd love it--I'm sure she'd get lots of support and people defending her because heaven forbid anyone tell her the truth and risk being "rude."