Scott Alexander argues that underpopulation concerns are overstated and likely irrelevant due to expected technological changes by 2100. Longer summary

Scott Alexander argues against worries about underpopulation, stating that while there may be some demographic shifts and challenges, they are not as dire as some claim. He presents data showing global population will continue to grow until 2100, and even countries with declining populations will still have substantial numbers. He discusses potential issues like age pyramid concerns and innovation slowdowns, but argues these are either manageable or likely to be overshadowed by technological changes. Scott concludes that long-term population projections are largely irrelevant due to the likelihood of transformative technological changes before 2100. Shorter summary

Scott Alexander criticizes a Boston Review article on futurism for focusing on identity politics rather than substantive future predictions, arguing this approach trivializes important technological and societal developments. Longer summary

Scott Alexander critiques an article from Boston Review about futurism, highlighting five main issues. He argues that the article fails to make real arguments about the future, misunderstands the concept of Singularity, wrongly associates certain technologies with privilege, falsely portrays conflict between different futurist groups, and grossly underestimates the impact of potential future changes. Scott contrasts this with his view of futurism as a serious endeavor to improve the human condition and prepare for potentially massive changes. He expresses frustration that much current discourse about the future focuses on identity politics rather than substantive issues, drawing a parallel with an 18th-century futurist novel that was more concerned with religious prejudice than imagining actual changes. Shorter summary

Scott imagines a future where population growth leads to more historians than historical subjects, resulting in extreme academic specialization and scrutiny of ordinary individuals from our era. Longer summary

Scott Alexander humorously extrapolates current trends in population growth and academic specialization to imagine a future where there are more classicists than ancient Greeks, and eventually more historians studying each person from our era than we might expect. He starts by calculating the current ratio of classicists to ancient Greeks, then projects this forward, considering factors like space colonization and technological advances. The post ends with a fictional scenario where thousands of future scholars are studying the life and tweets of a single, unremarkable person from our time, ironically analyzing a tweet where this person claimed no one noticed or cared about them. Shorter summary