I suspect it is the basis for brainwashing although I have never really studied it.
As Pavlov conditioned his dog to salivate when a bell was rung by ringing the bell and feeding it at the same time, leftists are doing the same thing.
Conservative politician on TV sitcom, character is evil. Do this a few thousand times and when you see a conservative politician, what do you think?
Same thing is done with minorities always portrayed as better than Whites etc.
"Something you didn't specifically mention although it is covered in some of the activities mentioned, is simple Pavlovian conditioning."
Pavlovian conditioning explains the reflexive dyscognitive verbosities of both mad-as-a-hatter Howard Dean and UnFit Maoist John Kerry.