Bill Gates, Warren Buffett, and others are spending the bulk of their fortunes working in Africa and other developing nations. You would be naive to think that there aren't poor people in the SV area that could use better health care. Like it or not, ER's are the frontlines of care for the majority of the uninsured in this country.

I think it is very noble to try and equalize care in your hometown - especially one with such wealth disparity as SV. I think he hopes to inspire other rich technology tycoons to do the same.