Dwarkesh Podcast
Dwarkesh Podcast

Will MacAskill - Longtermism, Altruism, History, & Technology

Will MacAskill is one of the founders of the Effective Altruist movement and the author of the upcoming book, What We Owe The Future. We talk about improving the future, risk of extinction & collapse, technological & moral change, problems of academia, who changes history, and much more. Wat

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Dwarkesh Patel HostWilliam MacAskill Guest

Topics Discussed

Episode Summary

Executive Summary: William MacAskill argues that Effective Altruism’s rise was partly contingent but also enabled by internet-era coordination and a strong idea whose time had come. He contrasts highly contingent moral change with more robust technological/economic progress, advocates long reflection and cautious institutional design to represent future generations, and warns that AI, pandemics, and value lock-in could make this century unusually decisive.

Main Topics: Why Effective Altruism Succeeded (Priority: 5/5): MacAskill says EA emerged from a mix of good ideas, internet-enabled coordination, and lucky personal connections, while noting similar moral movements often failed historically. Contingency of Moral Values vs. Technological Progress (Priority: 5/5): He argues moral beliefs are historically contingent and often biased, but technological/economic progress is less contingent because incentives and instrumental benefits push societies toward similar innovations over time. Long Reflection and Value Lock-In (Priority: 5/5): The conversation centers on the idea that humanity should pause before locking in values, using reason, empathy, and debate to improve moral guidance for the far future. Institutional Reform for Future Generations (Priority: 4/5): MacAskill discusses speculative governance models—future assemblies, random selection, iterative evaluation, and prediction markets—to better represent long-term interests, while stressing implementation risks. Plasticity, AI, and Civilizational Risk (Priority: 5/5): He sees the current era as a moment of plasticity that could end if AI or global ideological convergence creates durable lock-in before space settlement or diversification occurs. Measuring Impact and Long-Term Institutions (Priority: 4/5): The discussion covers which individuals and institutions matter most over long horizons, including religious leaders, philosophers, activists, universities, and foundations, plus why corporations are usually too short-lived. Well-Being, Value, and the Future (Priority: 3/5): MacAskill discusses evidence that many lives are worth living but not universally so, and rejects simplistic assumptions that future lives under Malthusian or digital conditions must be miserable.

Key Arguments: EA’s growth was partly contingent: similar impartial-morality ideas appeared in ancient China, utilitarianism, and Singer’s work long before the movement gained traction. The internet and a few key relationships helped EA scale by connecting like-minded people who previously would not have found one another. Moral values are contingent enough that Western modern values should not be assumed to be the endpoint of moral progress. Moral progress is not a random walk; reason, empathy, and debate can still push values toward truth, especially during periods of rapid change. Technological and economic progress are less contingent than moral progress because strong incentives make similar innovations likely across many societies over time. The main long-run impact of individuals is often through ideas, institutions, or moral change rather than one-off technical inventions. Future-oriented institutions are vulnerable to co-option because the future cannot lobby for itself, so governance mechanisms must be designed carefully. AI could compress the timescale of history by enabling durable ideological or institutional lock-in before society reaches spacefaring diversity. Large, long-lived institutions tend to drift toward narrow missions unless they are given broad, durable purposes. Future lives may be far better or worse than ours, but “subsistence” does not imply misery; well-being can remain high even in tight resource constraints.

Data Points: EA community growth rate: ~30% per year - Used to illustrate that moral movement growth can happen much faster than historical centuries-long shifts. Probability of AI-based lock-in: ~10% - MacAskill says it is seriously on the table that control/lock-in could happen this century. Corporation half-life: ~10 years - He argues corporations are relatively short-lived compared with universities and religions. Oxford/Cambridge age: ~800 years - Examples of very long-lived institutions with persistent influence. Blacksmith apprentices fund duration: 100 years and 200 years - Benjamin Franklin’s bequest example showing how narrowly specified missions can become obsolete. Theoretical assessment horizon for future assemblies: 30 years - He proposes evaluating an assembly’s decisions after 30 years, then having later generations assess the assessors. Proposed average fraction to charity in Giving What We Can: 10% or more - Mentioned in the closing call to action. Study result: Indians unwilling to relive life: ~9% - MacAskill cites survey evidence on life satisfaction/worth-living judgments. Study result: Americans unwilling to relive life: ~13% - Compared with Indians; he cautions against overgeneralizing due to sampling and cultural effects. Alternative cited figure for Americans: 31% - Raised by the interviewer as a contrasting figure from a different framing of the question. Historical growth doubling rate: Economy doubling every 20 years - Used to argue modern change is unprecedented and requires more first-principles thinking. Environmental policy example: Chlorofluorocarbons banned - Cited as a successful case of global coordination that mitigated ozone depletion.

Pivotal Quotes: "I think the best guess is that we are at a moment of plasticity." — William MacAskill: On why the current era may be especially important for shaping future values and institutions. "We should not think we're at the end of moral progress and we should not think, oh, we should lock in the kind of Western values we have now." — William MacAskill: On the danger of treating present-day values as final or complete. "The control might happen earlier. Like, I'm worried the control might happen this century within our lifetimes." — William MacAskill: On risks that AI or global ideological convergence could cause irreversible lock-in soon.

Implications: Listeners should expect MacAskill’s framework to prioritize preventing lock-in, improving future-facing institutions, and focusing on high-leverage risks like AI and pandemics. The broader takeaway is that shaping values may matter as much as, or more than, boosting growth.

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