Putting aside this particular argument, I'm fascinated by what appears to be Zuckerberg's philosophy of creating profitable business models to provide public goods that are traditionally the realm of governments or charity. When successful, and I don't think they always can be, such solutions seem fundamentally more robust. They don't require continual interest from the donor class or the use of government coercion. And the resulting businesses would have a stronger incentive to spend their money wisely.