Claims

The Teal Fellowship's 5% billionaire rate from fellowship recipients vastly outperforms traditional university graduation outcomes, demonstrating that selection for entrepreneurial traits (self-motivation, recruiting ability, domain knowledge) predicts success far better than GPA or test scores.

Spaced repetition adoption is probably mostly efficient—it's widely used among medical students, language learners, and other highly motivated groups with incentives to learn, which are the domains where it's most valuable.

Economists at universities typically don't read original texts and therefore miss Ricardo's caveat about capital mobility, allowing them to teach a version of comparative advantage that is logically inconsistent with the system actually implemented.

Teachers are underpaid relative to their importance because the labor market sets their wages rather than subsidy raising them; to attract great people to teaching, you need compensation that competes with their alternatives, plus freedom to teach without draconian curriculum.