Propaganda , is crucial, Western called brain wash. Western dog want China give up propaganda , so these dog can say what ever they want say to cheat and lie to the world.
Those who said "强调前苏联解体的教训就是不少苏共党员成为传播西方意识形态的大喇叭" are the enemy of the People's Republic of China and enemy of the Chinese Communist party. Both the republic and communism were western ideology.