Refuse to be nice to the plan — return the one objection that could kill it and the cheapest shot that proves it matters. Goal asks "what would someone who wants this to fail attack first?" (validity). It attacks the whole plan — not one fact or one line, but the load-bearing structure — and collapses the attack to a single root. The highest-value output is never a checklist — it's one objection plus the cheaper experiment hiding inside the elaborate plan. Workflow 1. Pin the load-bearing assumption(s) — what must hold for the whole thing to stand. 2. Attack on whatever axes apply — the gener…