The Kuala Lumpur Peace Accord was designed to do something rare in a heated border crisis. It tried to separate military de-escalation from political theatre. Signed in Kuala Lumpur on 26 October 2025, the joint declaration commits Cambodia and Thailand to refrain from the threat or use of force, support an ASEAN Observer Team, remove heavy weapons from the border, coordinate humanitarian demining, and stop inflammatory rhetoric that hardens public sentiment.
Yet in practice, the accord has become hostage to Thailand’s domestic political incentives, especially among conservative and military-aligned constituencies that benefit from nationalist mobilisation. This is not simply a matter of bad communication or technical misunderstandings. It is about how border tension can be converted into legitimacy at home, and how that conversion creates a structural reason to delay, reinterpret, or selectively implement peace commitments.
Thailand’s internal politics has long rewarded leaders who project strength on sovereignty issues, especially when governments are fragile, coalitions are unstable, or elections are looming. In December 2025, Thailand’s prime minister dissolved parliament, pushing the country toward elections in early 2026 amid renewed border violence. A caretaker period, by definition, narrows political space for compromise and encourages symbolic toughness. Under these conditions, peace implementation can be reframed as “concession,” while escalation can be defended as “national defence.”
Public opinion makes this dynamic easier. Polling reported in Thai media shows significant distrust toward Cambodia and limited appetite for “friendship” during the conflict. One Bangkok Post report on a poll said 54.12% of respondents believed Thailand should not pursue friendship with Cambodia. Ipsos Thailand likewise reported intense public attention and concern, with 86% worried about the escalation and 97% following border news closely. When the public mood is anxious and distrustful, conservative narratives that frame compromise as weakness can spread quickly and become politically safe.
This matters because the Kuala Lumpur declaration explicitly recognises that information warfare and public emotion are part of the conflict. The text calls on both sides to refrain from false information, accusations, and harmful rhetoric precisely to mitigate negative public sentiment and create conditions for dialogue. But in a politicised environment, the incentive runs the other way. Hardline rhetoric energises a base, shifts attention away from domestic controversies, and strengthens the military’s role as the trusted guardian of national security.
Recent reporting underscores how quickly ceasefire promises can be overtaken by escalation. Reuters has described widening clashes, mass displacement, and Thailand considering additional economic and logistical pressure measures, including restricting fuel flows and tightening maritime vigilance. When such steps are debated publicly, they can become performative instruments of domestic strength, even if they complicate diplomacy and deepen humanitarian costs.
Domestic politics does not operate in a vacuum. Media coverage, historical grievances, and nationalist framing around contested border areas can create a public majority effect even when views are mixed. People may not uniformly support war, but they may support “firmness,” punish leaders seen as soft, and trust the security establishment more than civilian negotiators. Thai outlets have also reported polling that suggests a portion of the public is tiring of prolonged conflict because of economic and social costs, which shows opinion is not monolithic. Still, in the short run, conservative networks are often better positioned to turn border insecurity into a narrative advantage.
The core problem, then, is not only whether Thailand and Cambodia signed a peace accord. It is whether Thailand’s political system currently rewards implementing it. When hardline postures bring electoral benefit, when caretaker politics discourages risk-taking, and when public distrust is high, implementation becomes optional, conditional, and endlessly postponed.
So what would it take to rescue the Kuala Lumpur framework from domestic sabotage?
First, ASEAN must treat the Observer Team not as ceremony but as enforcement architecture. The accord’s logic is simple: de-escalation becomes credible only when there is observation and verification. If monitoring is delayed, paused, or constrained, space opens for blame-trading and retaliatory interpretations of events that feed domestic politics.
Second, Malaysia, as facilitator, should press for visible, sequenced compliance that creates political cover for both sides. The declaration already envisions a step-by-step plan for removing heavy weapons and restoring confidence-building measures. Sequencing matters because it allows leaders to say: We are not conceding; we are following verified steps.
Third, Thailand’s civilian forces, opposition parties, and civic voices should challenge the false choice between sovereignty and peace. The accord does not require Thailand to abandon claims or accept Cambodia’s narrative. It requires restraint, verification, and a return to bilateral mechanisms for boundary issues. The political argument should be reframed: the truly “patriotic” approach is the one that prevents a border issue from becoming a perpetual machine for militarised politics that drains budgets, damages border economies, and risks civilian lives.
Finally, both governments should be held to the accord’s own standard on rhetoric. When leaders use maximalist language, amplify unverified allegations, or encourage public anger, they are not leading. They are outsourcing diplomacy to emotion, making any eventual compromise politically explosive. The declaration explicitly warns against this path.
The Kuala Lumpur Peace Accord is jeopardised because Thailand’s conservative domestic agenda can profit from its failure, and because significant parts of the public mood, shaped by distrust and fear, can be mobilised behind hardline positions. If ASEAN and external partners treat this as a mere bilateral misunderstanding, the accord will become another document signed for cameras and abandoned for votes.
Peace is not only negotiated across borders. It must also be defended inside politics!
Note:Seng Vanly, Advocacy Program Director of the Khmer Democracy Organization (KDO)
