Scott Alexander reviews Will MacAskill's 'What We Owe The Future', a book arguing for longtermism and considering our moral obligations to future generations. Longer summary

Scott Alexander reviews Will MacAskill's book 'What We Owe The Future', which argues for longtermism - the idea that we should prioritize helping future generations. The review covers the book's key arguments about moral obligations to future people, ways to affect the long-term future, and population ethics dilemmas. Scott expresses some skepticism about aspects of longtermism and population ethics, but acknowledges the book's thought-provoking ideas and practical suggestions for having positive long-term impact. Shorter summary

Scott Alexander argues against criticism of billionaire philanthropy, citing its efficiency, positive impact, and ability to support important causes that governments often neglect. Longer summary

Scott Alexander argues against criticizing billionaire philanthropy, presenting several points: 1) Criticizing philanthropy more than luxury spending incentivizes the wrong behavior. 2) The potential good done by philanthropy outweighs concerns about inequality. 3) Billionaire donations often receive more scrutiny than praise. 4) Government spending is often less efficient and focused on important causes than private philanthropy. 5) Philanthropy can support pluralism and fund important work the government won't. 6) Centralized government control risks a single point of failure. He concludes that the immense good done by philanthropic efforts, such as saving millions of lives, outweighs concerns about democratic accountability or inequality. Shorter summary