Alignment is ill-defined, but monitorability and reversibility aren't

Afinetheorem · x · 2026-09-09

Drawing on an office conversation, the author argues that from a mechanism-design perspective "alignment" is hard to even define — a principal usually cannot specify a complete, stage-contingent optimum. By contrast, two related concepts are well-defined and operational: ex-post monitorability (can we observe and audit the system's behavior after the fact?) and reversibility ("pulling the plug" — can we stop or undo it when things go wrong?). The conclusion: alignment debates should put more weight on these concrete properties rather than chasing a formal definition of alignment.

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