The actions that Emperor Jade and Great Emperor Ziwei are currently undertaking, in some sense, are indeed the reform of the Heavenly Court. The power they are seizing was once the power that protected them, only it was in different hands.
"This reminds me of the succession of emperors in the human world. The late emperor would appoint regent ministers to assist the young emperor in managing the Court. These regent ministers, while holding the emperor's authority, also maintained the stability of the Court to prevent attacks on the young emperor. However, when the young emperor wishes to seize authority from the regent ministers, he must face all the attacks himself." Xuan Lingzi offered an example.