I see what you're saying - of course we all have our right to an opinion and so does Arielle but it was more about the way she said it rather than what she said as ladybarefoot posted above. It came across as rude/disrespectful and that's why I feel quite strongly about this.
Also to say Charlie should loosen up and not make a thing about it is a bit unfair imo. Charlie can feel however she likes - no one can tell her otherwise as that's her feelings and she's entitled to them. If she felt offended etc then that's her right, you may disagree but no one can tell her how to feel/react.