In the Internet era, individual intellectuals were attacked because of public expression, and once felt aggrieved. In the process of self-defense, they often mentioned the intellectual basis of their claims. In the process of interacting with the public, they relied solely on intellectual authority. A public platform such as the Internet is not a single field of academic communication, and the criticism of a viewpoint depends not only on its distance from an academic authority, public sentiment, historical tradition, and other factors. It will also have an impact. It is bound to drift away from the people. The text is intended to explain:. ['Intellectuals now have difficulty defending themselves with knowledge.', 'Social elites must identify with public sentiment and follow historical traditions.', 'Social elites should avoid confrontation with the masses by advocating knowledge and reason.', 'Popular sentiment, historical tradition determines whether personal views can be accepted.']