In Rand's _Capitalism: The Unknown Ideal_, she exposes the ploy of using "anti-concepts" in the essay, "Extremism," or The Art of Smearing.

"It consists of creating an artificial, unnecessary, and (rationally) unusable term, designed to replace and obliterate some legitimate concepts—a term which sounds like a concept, but stands for a "package-deal" of disparate, incongruous, contradictory elements taken out of any logical conceptual order or context, a "package-deal" whose (approximately) defining characteristic is always a non-essential. This last is the essence of the trick."

Also, she states:

"The purpose of 'anti-concepts' is to obliterate certain concepts without public discussion; and, as a means to that end, to make public discussion unintelligible, and to induce the same disintegration in the mind of any man who accepts them, rendering him incapable of clear thinking or rational judgment. No mind is better than the precision of its concepts."

She wrote that in 1965, but the technique has been perfected and widely used since. It is difficult to hear and see so many excellent words that have been the target of this type of dishonesty. Some concepts have been disconnected from their labels via unwarranted negative connotations, or their labels (words) have been co-opted by the smearing use of anti-concepts.

As a few examples, consider how these concepts have been abused and how they are generally interpreted by most people today:

Capitalism
Business
Free markets
Profits
Objectivism
Love
Patriot
Theory

There are many more to add to the list. For starters, could we please try to refrain from corrupting "capitalism" any longer with the anti-concept of "crony capitalism"? :) Let's call it cronyism, political cronyism, or corruption - and try to expose both ends of that unethical equation.