Because she is a prominent female scientist, and she’s proven to be mentally competent to handle this s-storm in an admirable way. It’s a horrible look.
This should be the canary/coal mine for whether or not regular humans can have opinions that differ from the master class/billionaires. Even if you are a titan in the field of AI Ethics, google has no use for you if you disagree with the masters. Google will lose 2 unbelievable female scientists, who also have exhibited far more compassion and empathy then we can expect from googles AI in the future.