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This describes an interesting idea on the rhetorical use of necessity as a notion or term.
“institutions of government must correlate with the structure of the economy and the information system”…
“Must correlate”? Did you notice? They insisted that we must correlate with economics and technology.
“Necessity.” William Pitt said two centuries ago, “is the plea for every [...]

Below is taken from John Raulston Saul’s Unconscious Civilization and refers to how our language has been separated into two parts.
There is Public language—enormous, rich, varied and more or less powerless. Then there is Corporatist language, attached to power and action. Corporatist language itself breaks down into three types. Rhetoric, Propaganda, and Dialect. […] [...]