There is an exact relationship between how language is used and how power is exercised. Good governors use language that tries to reflect truth and is clear and understandable. Bad governors use language that hides, manipulates, or cosmetises the truth and is customarily obscure and cliché-ridden to the point of meaninglessness.
Since human nature at its weakest is what it is, people quite often prefer what is cosmetic and obscure to what is true and clear and so bad governors can and do get by quite well for quite long. This is so true that even good governors are sometimes tempted down the road of high-sounding but feckless rhetoric. Fortunately, however, since human nature at its best also is what it is, people in the end prefer truth and want to understand clearly what is affecting their lives and so bad governors do not prevail forever.
History shows this and quite recent history shows it most clearly of all. The official use of language in the old communist empire grew so corrupt in the end that the rottenness infected the empire through and through, weakening it irredeemably. And do not scoff at the