Censorship in China is a fact of life. On the Internet, restrictive government policies limit user access in order to manage the dissemination of information and to filter, monitor and control traffic, blocking content that Beijing considers undesirable. It’s a counterproductive effort that is impeding China’s business growth.

Beijing has gone to extraordinary lengths to sweep the Internet clean of outspoken celebrities, business leaders and retired government officials. Government disciplinarians have sought to suppress political...