The Italian left communist Bordiga once described Marx's entire work as "the necrology of capital" - in other words, as a study of the inner contradictions from which bourgeois society could not escape and which would eventually lead to its demise.
Acknowledging the certainty of death is problematic for the human being in general - alone among the animal species, mankind is burdened with the consciousness of the inevitability of death, and the weight of this burden is demonstrated, among other things, by the ubiquity of mythologies about the afterlife in all epochs of history and in all social formations.