Why does recursive meta-cognition fail?

The most common reason recursive meta-cognition fails: Infinite regress as intellectual entertainment. You can always ask 'but what schema governs THAT schema?' — and keep asking forever without doing anything useful. The failure mode is mistaking the ability to recurse for the ability to improve. Recursion without a base case — a point where you stop analyzing and start acting — is not depth. It is a stack overflow. You'll know you've fallen into this when you feel very philosophical but nothing about your actual thinking has changed.

The fix: Pick one of your strongest held beliefs — about work, relationships, or how you learn. Write it down as a schema: 'I believe X because Y.' Now write the meta-schema: 'The way I arrived at this belief was by Z.' Then write the meta-meta-schema: 'I trust method Z because...' Stop when you either hit a foundation you can't go beneath, or when you notice you're going in circles. Write down which happened and what that tells you about the structure of your thinking.

The underlying principle is straightforward: Meta-schemas are themselves schemas that can be inspected and improved.