I expect that it's not so much a higher opinion of his personal judgement as a higher opinion of his values and priorities. Obviously he feels their foundation

I expect that it's not so much a higher opinion of his personal judgement as a higher opinion of his values and priorities. Obviously he feels their foundation is spending money on the most important things it can be; however I expect he also feels that the government will, on average, spend it on more important things than it would be used for by most people with similar levels of wealth.