An issue with this is that when it's applied on a greater scale many of any one politician's supporters don't exercise their memory to the extent that they should. An act of hypocrisy could me committed and only a select few would even notice.
The further into the government I see, the more it seems to be written by George Orwell.
Indeed. Like Orwell as you say, believe whatever they say and think it's the right thing even if they said the opposite before.