You shouldn't be suprised that folks here also post there! But I do think that it's unprofessional of her. Not saying the audience members are right...and yes, something should be done, but not at 99.8% of the audience that did nothing wrong.
If we're not having fun, then why are we doing it?
These are DISCUSSION boards, not mutual admiration boards. Discussion only occurs when we are willing to hear what others are thinking, regardless of whether it is alignment to our own thoughts.