The pattern of U.S. threats against Iran documented by Guardian US columnist Mohamad Bazzi — the April 1 address invoking the Stone Ages, the April 6 plan to destroy every bridge and power plant, the April 7 Truth Social post that “a whole civilization will die tonight, never to be brought back again,” and the most recent “totally wiped out as a country” formulation — has the structure of a repeated brinkmanship contest under incomplete information. The strategic question is not whether the United States could inflict maximal harm on Iran; military capacity is not in dispute. The question is whether each threat carries commitment weight sufficient to move Iran’s expected best response from probing toward restraint.
Credibility — Mechanism. Verbal threats issued on Truth Social and on Fox News are textbook cheap talk. They commit no resources, bind no third party, and impose no sunk cost on the threatener. Bazzi explicitly invokes the “madman theory” frame — the strategic posture in which a leader signals irrationality to make threats credible. The Perfect Bayesian result that bears on that frame is standard in game theory: if all players recognize the madman strategy is being played, the apparent irrationality is rationally chosen and the threat’s information content collapses toward zero.
Credibility — History. The prior track record on Trump’s Iran threats is mixed execution rather than consistent follow-through. The April 7 deadline, set for 8 p.m. ET, was not enforced. Bazzi writes that Trump “vacillated between agreeing to a ceasefire and ordering more intense bombing” as the deadline approached, and that shortly before expiration Pakistan’s prime minister announced an “immediate ceasefire.” Trump did not retract or apologize for the “whole civilization” statement. By contrast, U.S. airstrikes have been carried out, and Bazzi reports that in July Trump paired threats against individual bridges and power plants with a tit-for-tat retaliation rule tied to Iranian fire at ships in the Strait of Hormuz. The pattern is partial execution: the largest announced thresholds lapse through third-party off-ramps; smaller operational thresholds are enforced.
Credibility — Audience costs. The trajectory of international reaction is downward. Bazzi reports that the April “whole civilization” post “prompted outrage around the world and condemnation from the UN secretary general and the pope,” while the most recent warning “generated few headlines.” Eroding audience costs mean a walk-back is progressively cheaper, which by definition lowers the credibility of the threat. A leader whose bluff cannot embarrass them is a leader whose threats cost nothing to retract.
Credibility — Future shadow. Repetition has no consumption cost. Trump has issued maximal threats across the six-month war window documented in the article; the threats themselves carry no marginal cost to the threatener. A threat that can be issued indefinitely without commitment is closer to a bargaining opener than to a credible deterrent. The “madman theory” reading converges on the same conclusion from the other direction: a leader who threatens obliteration as routine communicates that obliteration is default rhetoric, not contingent commitment.
Net credibility: Trump’s maximal threats sit between cheap talk and full commitment. They are partially credible because the United States has demonstrated willingness to bomb Iranian targets; they are not fully credible because the largest announced thresholds have been allowed to lapse.
Iran’s equilibrium response. In a Bayesian game where Iran holds posterior beliefs over Trump’s resolve, the rational move against an intermediate-credibility threatener is to probe. The Strait of Hormuz fighting reported by Bazzi, set against the Iranian closure that Bazzi reports put a fifth of global oil and gas supplies at stake, functions as a probing action: it forces Trump either to execute on the maximal threat and reveal high resolve, or to negotiate and reveal that the threat is bounded. Bazzi reports that Iran fought around the Strait of Hormuz while stopping short of broader retaliation; under the framework developed above, that posture is consistent with posterior beliefs placing Trump’s resolve in the middle of the type space.
Pakistan’s role. The April intervention breaks the brinkmanship subgame. By announcing a ceasefire just before the April 7 deadline, Pakistan supplied Trump with an off-ramp that preserved his maximal stated position while avoiding the cost of execution. Subgame-perfect reasoning for the third party is straightforward: a mediator with no stake in the bilateral outcome can credibly offer an exit because its offer is not itself a threat. Every successful off-ramp of this kind reduces the signal value of the next deadline, because Iran learns that the United States will accept an exit before execution.
The institutional layer. Bazzi argues that the Biden administration spent 15 months “undermined global institutions, including the International Court of Justice and the International Criminal Court,” to help Israel and Prime Minister Benjamin Netanyahu avoid consequences for what Bazzi described as war crimes in Gaza. The strategic consequence is asymmetric. International institutions normally serve as commitment devices: a leader who signs a norm raises the cost of defection, and the cost applies to successors. When those institutions are deliberately weakened in advance, the future shadow of defection shortens. Two effects follow. First, threats become cheaper to issue, because no international body will reliably punish the threatener. Second, threats also become cheaper to walk back, because the same institutions cannot enforce follow-through. The net effect is not greater credibility but a migration of credibility: enforcement shifts from verbal commitment to actual kinetic action. Bazzi writes that Trump “prefers to flaunt U.S. military power and his ability to inflict massive destruction on U.S. enemies” — that preference is the equilibrium implication of the institutional erosion he documents.
Iran can discount the cheap-talk threats and respond only to actual force, which gives it incentive to probe the threshold. The United States, to deter, must make the threshold visible. The Strait of Hormuz and the recurring airstrikes are the operating substitutes for the institutional enforcement that Bazzi says was dismantled. The desensitization he describes — maximal threats generating “few headlines” while civilian infrastructure is bombed — is the visible output of a deterrence system that has substituted kinetic action for institutional constraint.
Analytical techniques used in this piece
This analysis applies the methods below. Each links to a short, plain-English explainer you can read and reuse.
- Strategic Interaction (Game Theory)
- Models a situation as a game — players, moves, payoffs, and likely equilibria.
- Tit-for-Tat
- Reciprocity as strategy: match the other side’s last move — reward cooperation, punish defection.