Marx and Ingalls on the Transition to Capitalism

How would Marx and Ingalls have fit into contemporary debates over the transition to capitalism? This is such a vast question, you know. But certainly what they gesture towards is these structures of societies aren't just thrown up willy-nilly. They're thrown up because of certain relations of class forces. To some extent, those at the top of society, the ruling class are gaining certain key benefits from the decisions that they are making.