Well yeah, but at the same time, exfiltrating internal company data is still grounds for dismissal. It could be ethical and the Right Thing to Do, but you still crossed a boundary.

She's lost her job; if she's lucky that's the end of it. She can probably sue to get her job back or a compensation depending on whether a judge or jury rules that leaking the data served a higher purpose, but it's debatable.

I just don’t see much reason to believe that she has the kind of evidence that would justify calling her a whistleblower. I could be wrong, and if she releases emails of Sundar being racist or something I’ll be the first to admit I was wrong, but it seems a lot more like she was just angry over the Gebru firing.