Both are Google Employees who got fired for rubbing their superiors in the wrong way.
> whose continued employment would open the company up to a risk of lawsuit
If protecting google from a lawsuit is your main concern, aren't you for firing her? The memo of James isn't as much a threat to bottom line or a lawsuit as unveiling some unethical practices (which she allegedly is up to due to her ethical concerns).
My point is precisely you can't have it both ways and be consistent.