When did the Chinese literati lose their commitment to Taoism?

The concept of Taoism, in modern times, it depends on how to develop, but the reasoning, theory of inheritance, for the modern Marxism-Leninism is a little resistant to the development of the Song, Yuan, Ming and Qing Taoism, close to binding people's minds, Taoism has been somewhat deteriorated. In Rao Shunyu, Xia Shang Zhou period, the spirit of the three generations is still relatively pure, with the development of history, the Taoist system more and more become the maintenance of the feudal society of its system of tools, the concept of Taoism to develop, to take up the role, it is necessary to carry out a larger first Yang up, take the dregs, take the essence.