Centralized power depends on centralized mass media and centralized ideology to avoid change. It will always produce content which reduces the overall meaning. It will not only reduce the amount of knowledge and wisdom accessible, but it will also reduce the meaning of words. It will promote the use of empirical language in which words have only one meaning, and lower the use of other forms of language in which words have multiple meanings representing multiple perspectives.
One of the symptoms of hyper centralized power which avoids change is reduction of meaning and perspectives.
As centralized system focuses on a goal, and gets closer to that goal, it promotes more and more a narrow perspective and meaning which serves that goal. Often this goal is not formalized because formalization itself is a risk which leads to undesired change.
As perspectives and meaning are reduces, frustration and need for change will increase. However, only possible way to change is openness which increases knowledge, wisdom, meaning, and perspectives. Using the reduced language and perspectives to achieve change will not cause any relevant change.