He criticized the other side for deliberately stirring up Red-scare sentiment.
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Common in Taiwanese and Hong Kong political vocabulary, where it pairs with 反共 fǎngòng (anti-Communist) and 仇共 chóugòng (hostile to the CCP). The 1950s American 'Red Scare' and McCarthyism are textbook examples of 恐共情绪 (anti-Communist sentiment).