To me this is the best example of how language can be used to bypass rational thinking in the listener to manipulate and propagandize.

See also:

Politics and the English Language by George Orwell- https://en.wikipedia.org/wiki/Politics_and_the_English_Langu...

Newspeak by George Orwell - https://en.wikipedia.org/wiki/Newspeak

Verbal Behaviour by B.F.Skinner - https://en.wikipedia.org/wiki/Verbal_Behavior