The Best Bear Case on AI (EP. 478)

Episode Summary

Executive Summary: The episode argues that the current market environment may qualify as one of history’s great bull markets, driven by broadening participation, strong earnings, and investors’ willingness to ignore higher rates. The hosts also push back on Gen Z financial nihilism narratives, question gambling-related “all-in” behavior, debate whether AI is a bubble or an ROI story, and highlight how cash, TIPS, ETFs, and even sports betting are being reshaped by modern finance.

Main Topics: Bull market breadth and historical comparison (Priority: 5/5): The hosts compare the current bull market to the 1980s and 1990s, emphasizing long-run equity gains, rising breadth across U.S. and global markets, and improving fundamentals despite concentration concerns. Gen Z, gambling, and financial nihilism (Priority: 5/5): They critique social-media-driven narratives that young people are doomed, discuss a Bloomberg/Betterment survey on sports betting, and argue the real story is distorted perceptions amplified online. Rates, cash, TIPS, and portfolio behavior (Priority: 4/5): The conversation covers money-market balances, the appeal of TIPS at positive real yields, and the surprising resilience of stocks even as bond yields rise. AI spending, earnings, and bubble concerns (Priority: 5/5): They debate whether massive AI capex is justified, cite concerns about off-balance-sheet spending, and note that AI capability gains are real even if economic payoff timing is uncertain. Financial markets, retail investing, and market efficiency (Priority: 4/5): The hosts discuss how ordinary investors have crushed pros by owning big tech, why it’s hard to know when markets are wrong, and why market efficiency means prices are not perfect—just hard to beat. Gambling products and the ETF wild west (Priority: 4/5): They criticize new financial products that blend investing and gambling, including proposed sports- or NHL-linked ETFs, and argue that brokerage accounts should stay separate from betting accounts. Cultural sidebars: movies, comedy, and books (Priority: 2/5): The episode closes with lighter commentary on rewatching Bloodsport, The Invite, Sebastian Maniscalco, and a major book purge, reinforcing the hosts’ usual mix of culture and finance.

Key Arguments: The current market is broader than the usual Mag 7 story, with multiple regions and market caps at or near highs, while valuations are falling and profits are rising. Bull markets and secular regimes are usually only obvious in hindsight; the hosts argue the current one is already among the greatest based on returns since 2009. Young people are not uniquely doomed; much of the despair is amplified by social media, unrealistic expectations, and monetized outrage. The Betterment/Bloomberg sports-betting numbers are less shocking when read directly; the headline framing exaggerates how many Gen Z investors truly treat betting as a financial plan. Cash has effectively become a bond substitute for many investors after the 2022 bond drawdown, even though TIPS now offer attractive real yields. Higher bond yields are a potential risk to equities, but in a strong bull market the market can absorb rate increases until it suddenly cannot. AI capabilities are clearly advancing, but it remains unclear whether current investment spending will generate enough return fast enough to justify the scale of capex. For most individual investors, beating the market matters less than consistently saving and staying invested. New gambling-linked financial products are problematic because they reduce friction between investing and betting, which can encourage bad behavior. The 401(k) system is presented as a major success that dramatically expanded retirement asset ownership, even if it still needs improvement and broader access.

Data Points: VTI total return since 2009 low: Almost 1500% - Used to argue the current bull market has been extraordinarily strong since the post-GFC bottom. VTI annualized return since 2009 low: 17% annualized - Cited as evidence the secular bull market is among the best in history. S&P 500 return in the 2010s: 13.4% per year - Compared with prior decades to show strong long-term equity performance. S&P 500 return in the 2020s: 15.7% per year - Used to support the claim that the current decade is historically strong. Tech stocks since January 2025: Up 65% - Illustrated how concentrated leadership has become, though with falling forward P/E. Tech forward P/E: From 29 to 22 - Despite large gains in tech stocks, valuation multiples have compressed. Gen Z respondents treating sports betting as a deliberate financial plan: 26% in the headline figure; 11% in the source table as a high-risk strategy - Discussion centered on a Bloomberg/Betterment survey and how headlines can mislead. Gen Z respondents who don't participate in sports betting: 36% - From the Betterment survey breakdown. Gen Z respondents using sports betting to accelerate a goal: 15% - From the Betterment survey breakdown. Gen Z respondents occasionally redirecting funds: 14% - From the Betterment survey breakdown. Gen Z respondents keeping funds separate as fun money: 23% - From the Betterment survey breakdown. Money market funds vs. S&P 500 market cap: 11% - Framed as the current level of cash relative to equity market size. Historical average money market funds vs. S&P 500 market cap: 18% - Used to argue cash is not as extreme a sidelined asset as headlines suggest. Money market funds vs. S&P 500 market cap in March 2009: 61% - Attributed largely to denominator collapse during the crisis. 5-year TIPS real yield in 2021: -1.76% - Illustrated how unattractive TIPS had become before the recent rate reset. Current real yield on TIPS: Around 3% - Presented as a compelling opportunity that few investors seem to want. 401(k) accounts with $1 million+: 600,000 - Used to show the system’s success and growing retirement wealth. U.S. private sector workers with pensions when the 401(k) was created: 38% - Historical context for why the 401(k) filled an important gap. America’s share of people who have flown ever: Roughly 80-90% now vs. 50% in the 1970s - Used in a discussion about how air travel has become much more accessible. Inflation-adjusted domestic flight cost: About half of early-1990s levels - Cited as evidence of consumer progress and cheaper travel. Anthropic revenue run-rate: $65 billion - Used to show the scale of AI revenue growth and the real business impact already visible. Stock market gain in a specific bull-market anecdote: Jalen Hurts / parlay strategy described as even-money rather than high-odds - Used to explain why gambling ETFs may not satisfy gamblers seeking excitement.

Pivotal Quotes: "We're entering 1980s, 1990s territory." — Michael: Opening argument that the market’s returns now rival the greatest historical bull markets. "It's not that the prices are always right. It's that it's never clear that they are wrong." — Ben (quoting Burton Malkiel): Discussion of market efficiency and why timing market mispricings is so difficult. "Young people, suck it up." — Ben: A blunt take arguing that online narratives overstate how uniquely hard younger generations have it.

Implications: Listeners are encouraged to separate real structural change from social-media exaggeration: stay invested, save consistently, be cautious with gambling-like products, and treat AI, rates, and bull-market narratives as complex—not binary—stories.