Iran 'Cannot Be Trusted' With Agreements: The Claim Is Overstated, Though Iran's Record Is Genuinely Mixed

The claim is that Iran cannot be trusted to comply with international agreements over the long term — that its history of deception makes any deal with Tehran structurally unreliable. The verdict is partially false. Iran has a documented record of past deception and current non-compliance, but the blanket claim that it 'cannot' comply is directly contradicted by a verified three-year stretch of full adherence to the most significant nuclear agreement in recent history.

The strongest evidence against the sweeping claim comes from the IAEA itself. According to IAEA Director General reports on JCPOA implementation covering 2016 through 2019, Iran was certified as compliant in 15 consecutive quarterly reports. This was not a partisan assessment: the U.S. State Department, under the Trump administration, certified Iran's technical compliance with the JCPOA three times — in April 2017, July 2017, and October 2017 — before decertifying in October 2017 on policy grounds explicitly unrelated to technical violations, and formally withdrawing in May 2018. When the U.S. government that most wanted to find Iran in breach could not do so for over a year, that is meaningful evidence.

The strongest version of the original claim is not without foundation, and it deserves a fair hearing. The IAEA Board of Governors Report GOV/2015/68 verified that Iran carried out activities relevant to developing a nuclear explosive device prior to 2003, with some activities continuing until 2009. Iran concealed facilities including Fordow and Arak. These are not allegations — they are IAEA findings. And after the U.S. withdrew from the JCPOA in May 2018 and reimposed sanctions, Iran did begin systematically exceeding agreed limits from July 2019 onward, enriching uranium to 60 percent purity by 2021 and accumulating centrifuge capacity that grew from roughly 5,060 IR-1 machines under JCPOA limits to over 14,000 advanced centrifuges by 2022, according to the Arms Control Association's 2022 definitive guide.

But here is precisely where the claim breaks down: it treats Iran's post-2019 violations as proof of an immutable behavioral trait while ignoring the causal sequence. According to CFR analysis from 2019, Iran's rollback of commitments began only after the U.S. unilateral withdrawal and reimposition of sanctions — meaning the party that broke the agreement first was not Iran. Attributing the collapse of the JCPOA solely to Iranian untrustworthiness requires ignoring that Iran held its end for three years while the other side walked away. Causation here is genuinely contested, and the honest version of the claim must account for that.

Historical evidence further complicates the blanket verdict. According to the Algiers Accords record from January 1981, Iran honored the terms that secured the release of U.S. hostages. Iran also accepted the UN Security Council Resolution 598 ceasefire ending the Iran-Iraq War in 1988 and abided by it. These cases show a pattern: Iran complies when it perceives reciprocal compliance and when its national interest is served by the agreement holding. That is not the same as being reliably trustworthy in all circumstances, but it is also not the same as being constitutionally incapable of compliance.

The manipulation pattern here is selective framing: cite Iran's pre-2003 covert program and its post-2019 violations, omit the three years of verified compliance in between, and omit the U.S. withdrawal as the triggering event for the breakdown. The result is a timeline with the middle cut out. When you hear this claim, ask two questions: what does the IAEA record show during the period the deal was actually in force, and who moved first when it collapsed? The answers do not exonerate Iran's history of deception, but they do not support the word 'cannot' either.