Cognitive Dissonance?
No. This is what has been bred into Communists. The Communist party did this since 1917. Those loyal to the party do this just like taqqiya is part of Islam. They lie to serve the party.
This is all Alinsky which Hillary is a follower of. She either doesn’t know she is doing it or she knows full well why she is doing it, but knows her peers in the media also do this so she has their support.