Human Rights in China (HRIC) is deeply concerned about the ongoing disappearance of internet censorship researcher Yiyan Wang (also known as Gaukas Wang) and calls on the Chinese government to immediately disclose his whereabouts and current status, and to ensure his personal safety and fundamental rights.
可以猜测，他github上的项目主页直接写明了be water作为口号，很容易被当局认定为政治立场上支持反修例运动。