imo, capitalism leads to oligopoly. oligopoly leads to corruption. Capitalism can only ends with corrupted states imo.
This is why Marx has no credibilty in economics. All his predictions turned out to be false not because 'economists are the hand maidens of capital' as leftist like to claim.
In fact Marx economics was very popular amoung economist at one point, it was then deconstructed theortically and disproven by evidence.