I think it's more about aligning incentives with investors. Money put into a non-profit is a full write-off and so can really only have altruistic motivations.

I think it's more about aligning incentives with investors. Money put into a non-profit is a full write-off and so can really only have altruistic motivations. For-profit allows for investments that are motivated by a mixture of altruism and self-interest, which (for better or worse) allows for a much larger supply of capital.