The Chinese government likes to pretend that they're in control of everything and Western media doesn't tend to question that. But authoritarian crackdowns are not a surefire tactic to prevent all protests, they can just reduce their frequency (maybe).
E.g. yesterday "Workers protest against wage arrears of an electronic factory after managers fled, in Yancheng, Jiangsu" https://maps.clb.org.hk/?i18n_language=en_US&map=1&startDate...
The Chinese government likes to pretend that they're in control of everything and Western media doesn't tend to question that. But authoritarian crackdowns are not a surefire tactic to prevent all protests, they can just reduce their frequency (maybe).