Unfortunately those who cannot make certain connections, but rely on the shallowness of verbal terms too often lose, or purposely divert, the underlying insights which could free the species. Barack Obama, but more importantly his handlers, are exact examples of using verbal gymanstics to spin underlying truths. Lawyers in fact are trained to do this.
The fact is Leftism, whether its called feudalism, oligarchy, communism, etc. IS the need to manipulate other human beings because one really is either incapable, too lazy, or too narcissistic, to produce things of value that others would pay for.
Oligarchy is a good term to use, and it is both an economic and political manifestation. The US Senate is clearly an Oligarchy.
Sad to have to spend the time to deal with academic obfuscation.
There's a video that discusses the various systems that I found very valuable.
There is a constant tension between the productive class (the ones who know how to make things and provide valuable services) and what I'll call "the articulate class", the people who are unable to really produce anything, but are skilled in the art of manipulating people.