We really should try to 'sum up' the two positions being outlined in this discussion.
That is, the 'political domination' and the 'economic exploitation' viewpoints.
They have different philosophical roots, and while we continue to confuse the two, we're talking past each other, not least because our respective definitions of various terms being used (exploitation, mode of production, domination, etc.) are different.
Especially, because the term 'middle class' is one of these confused usages, and that's what we're all hoping to clarify with this thread, aren't we?
) by David Sloan Wilson on using ideas from evolutionary science to critique ideas in the social sciences. As an example he used the Gould and Lewontin paper on [url=http://en.wikipedia.org/wiki/Spandrel_(biology)]Spandrels[/url] as a means of critiquing Friedman's "Positive economics" paper justifying the unrealistic assumptions of neoclassical economics. To do so Friedman uses three examples pulled from evolution. I'll just quote a section:


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That the bourgeoisie hides its domination through the market does not do away with the fact that their status as the dominant class is rooted in domination, just the same as the state seeming legitimate by way of providing a "public service" does not do away with the domination in their relationship to society.