When Li Guangman , a little-known blogger in China, declared “a profound revolution” was under way against China’s big businesses, many in the country were reminded of the worst nightmares from the Mao Zedong era. Li used warlike language against China’s tech companies and misbehaving celebrities, as well as unspecified surrogates for the United States in the country, and then had his voice magnified by a handful of key state media websites, which carried a mildly toned-down version of the article.…