Thanks for the source!! I'll make sure to check that out.
While I agree that the underlying principles of capitalism haven't changed over time, it's definitely seen quantitative changes. Moreover, modern statistics and computing allow us to obtain, interpret and visualize data on scales incomprehensible back then. As an example, Paul Cockshott has published scientific articles numerically demonstrating the labor theory of value. That's something Marx inferred logically and supported with limited evidence, but now we have actual statistical evidence applied to entire sectors of the economy proving that law of supply and demand is mostly shit at predicting prices, whereas labour theory of value consistently provides great estimations, and this should be mentioned to someone learning Marxism: "this isn't true because Marx was very smart and you should believe it, Marx simply predicted it and further evidence has corroborated it beyond doubt".