Chinese authorities are intensifying restrictions on social media posts by dissidents and human rights defenders days ahead of the 2022 Beijing Winter Olympics that begin Feb. 4. Insiders say the authorities have warned of grave consequences if people post sensitive remarks during the event. Rights activist Li Renke, a resident of southwestern China’s Guizhou Province, has allegedly disappeared since Jan. 20. By press time, The Epoch Times could not reach him by phone. As a human rights advocate, Li has engaged in pro-democracy activities since 1978. Consequentially, he received a 4-year prison term during the 1980s. At least eight citizens reported their WeChat accounts had been limited in one way or another since early December 2021, according to a Jan. 26 story in AFP. Some of their accounts were completely frozen. Beijing-based veteran journalist Gao Yu said the group chat functionality of her account has been for the first time …