Most billionaires build mansions and buy islands and offshore their money. Bezos and Branson are doing R&D. Bill Gates does philanthropy. There's a spectrum of

Most billionaires build mansions and buy islands and offshore their money. Bezos and Branson are doing R&D. Bill Gates does philanthropy. There's a spectrum of wastefulness, and I wholeheartedly applaud billionaires doing R&D that our governments seem to have lost interest in.