I mean she is a woman, and they have to be perfect.

They are threatened by her.

Let them feel threatened. They should. She's unbought and unbossed.

Especially because this is a touchy policy issue on which the US is deliberately vague. The US intentionally avoids answering questions on the topic of military intervention in Taiwan to keep China guessing as to what its response would be to an attack. No one would've been able to give a satisfying answer.

Also she was extremely well spoken and made great points in all the clips I saw from that event.