Working Class Cinema in the Age of Digital Capitalism

Why does the story of cinema begin with the end of work? Is it because, as has been suggested, it is impossible to represent work from the perspective of labor but only from the point of view of capital, because the revolutionary horizon of the working class coincides with the end of work? After all, the early revolutionary art avant-garde had an ambiguous relationship with capitalism: it provided both a critique of commodification while also reproducing the commodity form.