A reason why disclosure could be bad

Suppose Israel and/or US nukes Iran. NHIs allow it because it is localized. But by chance it leads to triggering a world-destroying nuclear launch. Suddenly UAPs intercept them all, and we enter a new era where nukes are either unreliable or never working again. Nuclear deterrence collapses, and conventional hot war between superpowers is once again on the table, starting with war breaking out between everyone who launched nukes at each other. WWIII begins, quickly leads to massive global dev...