She's the ex-CEO of a private company owned by a billionaire. What power did she really have?
If the company was still public, then all the stupid shit Elon Musk did would put her in a much stronger place as the adult in the room during board meetings.
The things done to Twitter since it became X is a form of cultural vandalism that should never be forgotten in the history of the web. It will be a cautionary tale for decades to come.