[ue_]

That may blur the line between proletarian and bourgeois, but it does not invalidate the idea of class conflict within Marxism nor Marx's other critiques of capitalism such as commodity fetishism and alienation. Although you are very correct that Marx didn't anticipate modern financial phenomena, there has been active work within Marxian economics for the past 30 years about this, most importantly Anwar Shaikh takes it upon himself to do a semi-Marxist analysis of it in Capitalism, Conflict and Crises as does Kliman.

[frozenport]

I'm constantly nodding my head when HN down-votes a well referenced comment.