What particular teaching of Confucius caused him to be resisted by aristocrats early china?

Confucius's emphasis on meritocracy and the idea that individuals should be promoted based on their abilities rather than their noble birth caused resistance from aristocrats in early China. This teaching challenged the traditional social hierarchy and threatened the aristocrats' privileged status in society. Additionally, Confucius promoted the importance of moral virtue and ethical behavior, which aristocrats may have felt constrained by, as it called into question their actions and behaviors. Overall, Confucius's teachings posed a direct challenge to the entrenched power structures of the aristocracy in ancient China.