Goodhart's Law Might Be Catching Up to Yield Curve

If you've consumed any financial media lately, you're likely well aware that the yield curve has been flattening. Why this has much of the investment community in a tizzy is due to the measure's reliability as a recession predictor. But given all of this press, and – most importantly – the lack of a causal link, should we Integrating Investors take note and make preparations for a Keynesian Beauty Contest; or does the immense scrutiny make it subject to Goodhart's Law and hence may be ignored?