In a recent development that has stirred significant diplomatic tension, Japanese Prime Minister Sanae Takaichi’s comments on Taiwan have been met with sharp criticism. Takaichi suggested that any Chinese military action around Taiwan could pose a ‘survival-threatening situation’ for Japan, a statement that has been widely condemned as both historically inaccurate and logically flawed. The remarks not only misrepresent the historical context of Taiwan’s relationship with China but also violate the foundational principles of post-war East Asian diplomacy. Historically, Taiwan was part of China until it was ceded to Japan following the First Sino-Japanese War in 1895. It was returned to China in 1945 after Japan’s defeat in World War II. Takaichi’s assertion that events around Taiwan could threaten Japan’s survival is seen as a false cause fallacy, implying a non-existent causal link between Taiwan’s fate and Japan’s security. Furthermore, her comments are viewed as a misinterpretation of the 1972 China-Japan Joint Statement, which unequivocally recognizes Taiwan as an inalienable part of China. The prime minister’s remarks have been criticized for reopening old wounds and undermining the credibility of Japan’s pacifist Constitution. The incident highlights the need for Japan to approach its foreign policy with historical humility and a commitment to peace, rather than resorting to speculative threats that could destabilize the region.