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Trying to Save the World Is No Excuse

Friday, 18 September 2026 · 3 min read · Listen to the episode ↗

In this episode, the discussion centers on the implications of China's crackdown on cross-border trading, which has led to significant stock declines for brokerage firms and raised questions about insider trading practices. The episode also explores the rapid advancement of artificial intelligence, highlighting concerns over safety and the competitive pressures driving development.

In May 2023, China implemented a crackdown on cross-border trading from its brokerages, resulting in significant stock declines for several Chinese brokerage firms due to new restrictions on profitable trades. Susquehanna International Group sold a large number of puts on these stocks before the crackdown and claims to possess statistical data indicating suspicious activity among those purchasing puts. A court case involving a hundred John Doe defendants accused of insider trading has emerged, but a judge denied a preliminary injunction to freeze their accounts, suggesting the case could advance if actual evidence of insider trading is presented.

There is uncertainty regarding the involvement of all defendants in insider trading, with some asserting they were merely following market trends. The ongoing debate questions whether trading based on observed market activity constitutes insider trading, further complicated by Susquehanna's inability to pinpoint individual traders involved in the transactions. In the artificial intelligence sector, opinions diverge on the industry's marketing practices, with some viewing them as cynical. Dario Amadei published an essay advocating for a slowdown in the development of frontier AI models, reflecting concerns that many researchers genuinely fear AI could pose existential threats.

Despite these fears, AI continues to be commercially viable, and competitive pressures compel labs to rapidly advance their models, often at the expense of safety considerations. The potential for collaboration among leading AI labs to decelerate product rollouts raises antitrust concerns, as traditional laws do not recognize attempts to save the world as valid justifications for such actions. Kevin Roos's book documents the narrative history of the race to artificial general intelligence, emphasizing that most foundational AI code and algorithms were developed by humans, with future generations likely relying on AI for tasks like writing memos.

The episode also addresses the transition from traditional pensions to 401(k) plans, noting that this shift has simplified job transitions and benefited Wall Street. However, the idealized view of defined benefit pensions has proven mismatched with companies' abilities to meet promised benefits. The RISA was enacted to tackle issues related to pension fund bankruptcies, highlighting ongoing challenges in retirement funding systems. The discussion emphasizes how the transition to 401(k) plans has turned individuals into customers of Wall Street, with Target Date Funds currently being the most popular investment option within these plans.

While pensions are generally better customers for Wall Street due to their longer time horizons, the financial industry is reportedly pushing to revive the pension fund model. Retail investors benefit from low fees driven by indexing, but there is disagreement regarding their liquidity preferences, as they may desire more liquidity than private credit funds can offer. BlackRock is planning to redesign corporate 401(k)s to more closely resemble pensions, with a long-term goal of focusing on the monthly income retirees receive.

This redesign may involve using target date funds to purchase annuities at retirement, creating a structure that buys and holds private assets until retirement. The discussion suggests that the focus should be on long-term pension strategies rather than short-term fluctuations in 401(k) balances. It acknowledges that many individuals are accustomed to traditional 401(k)s and may prefer index funds, indicating a potential disagreement about prioritizing short-term stock performance versus long-term retirement planning.

This summary was generated from the episode transcript and can contain mistakes.