The phrase "when US data becomes unreliable" is misleading in one sense: for many years political manipulation of economic data has screwed things up. Calculation of unemployment and real debt has seldom matched the norms of most other western countries. Add military (often black budgets) spending without much oversight or accurate accounting. The wealthiest people in the USA are now in the mode of grabbing what they…
This is a myth. But a self-fulfilling one, given we’re cutting budgets to those agencies because so many Americans believe it.