Sandel's claim that "markets can corrupt morals" means that when market mechanisms are driven by qualitative (i.e. Millian) utilitarianism, some market applications will run the risk of promoting or maximizing morally questionable preferences and pleasures that when market mechanisms are driven by quantitative (i.e. Benthamite) utilitarianism, some market applications will run the risk of promoting or maximizing morally questionable preferences and pleasures that when certain spheres of life are exposed to market values, fraudulent and deceitful economic transactions are a common occurrence. All of the above