Alternatively, believe nothing and say anything for money or power. Not sure which is in effect here.
“Believe nothing and say anything for money and power” is for people with real power. Psaki’s just a messenger girl, whose sole qualification is that she won’t think for herself, and probably no longer can, if she ever did.
Think of her as Ju Di in the first Avatar series:
https://www.youtube.com/watch?v=tvj31zpMyiU