Chinese are smart enough to never make public martyrs out of their opposition- they proceed slowly and use repressions and exterminate them all eventually.The CCP doesn’t have this kind of power. Less than two years ago during the crackdown on Shanghai, the people eventually got fed up took to the streets busting barricades and screaming for Xi to be removed.
Did he line people up and shoot them? No, he lifted the lockdown, gone like it never happened.
If you read the articles - they still pursue dissidents who escaped them into USA and have a whole secret police system here in states to continue that enforcement.