Speculation? Because she was good friends with Gebru, and was continuing the (internal) drama that they wanted stopped. Assuming that Jeff Dean actually took the right decision in firing Gebru (I tend to believe so) - Google really can't blink here; they'd be at the mercy of vocal employees if they did. It's basically a cancer-like situation, you either cut it all & apply radiotherapy (however unpleasant), or it will overwhelm & kill you.
Speculation? Because she was good friends with Gebru, and was continuing the (internal) drama that they wanted stopped. Assuming that Jeff Dean actually took the right decision in firing Gebru (I tend to believe so) - Google really can't blink here; they'd be at the mercy of vocal employees if they did. It's basically a cancer-like situation, you either cut it all & apply radiotherapy (however unpleasant), or it will overwhelm & kill you.