Is “He flattered the young emperor and sidelined Jiang Wei, leading to Shu's downfall.” true?

The Records of the Three Kingdoms, Book of Shu, Biography of Dong Yun records that Huang Hao was cunning and favored by the sovereign, and after Dong Yun's death, he monopolized court politics, causing Jiang Wei to fear Huang Hao's harm and not dare to return to Chengdu. The original text in the Records of the Three Kingdoms, Book of Shu, Biographies of Dong, Liu, Ma, Chen, Dong, and Lü: 「皓从黄门令为中常侍、奉车都尉，操弄威柄，终至覆国。」