Taiwan's Ministry of National Defense filed its annual review of the Chinese threat on August 31, and the word it chose was "unpredictable," not "aggressive." Unpredictable is not a synonym. Aggressive describes intent; unpredictable describes a command structure that has stopped explaining itself. The review documents intensified PLA air and sea activity around the strait, but the operative claim sits in the adjective: Taipei is telling its own legislature that it can no longer forecast Beijing's next move from Beijing's stated doctrine. The South China Morning Post reported the same week that Taiwan's defense establishment is separately alarmed by the PLA's shift toward systems warfare, the networked targeting doctrine that replaced platform-count comparisons as the metric that matters. Both signals point the same direction: Taipei's planning assumption has moved from "we can model this" to "we cannot."

That assumption shift lands three days after Beijing removed its second-highest military officer, thinning Xi Jinping's Central Military Commission to two members ahead of the 2027 centenary deadline Xi has set for combat readiness. ThePrint's tally of PLA generals purged since 2023 now exceeds 100. A command structure shedding its own senior officers at that rate does not produce predictable signaling, it produces exactly the condition Taipei's review names. If Taiwan's defense budget planning for 2027 has to price in a PLA whose chain of command Beijing itself keeps rewriting, the next test is whether Taipei's next procurement cycle, due before the legislature in autumn, funds capability against a doctrine or against a black box.