The more disorder we see, the more people are going to reach for these extremist solutions.
It's all scary - until one is the victim of a crime and the police don't think it's worth following up, or the presiding judge decides your time and suffering is less important than the future prospects of the criminal.
It sounds logical but at least in the case of China there was no disorder to begin with, it's always been relatively safe in terms of violent crime. In China, the violent criminals are the government and the police. You can become a torture victim for as much as splashing ink on a Xi poster or just being Uyghur and existing.
The cameras are not there to protect you from crime, they're there for control, to protect the CCP from the people.
I'm not principally against surveillance for public security but it's very hard to not have it abused - for a start you need authorities and a police force that have good intentions and work for the people, not against them. In most countries that's not a given.
It's all scary - until one is the victim of a crime and the police don't think it's worth following up, or the presiding judge decides your time and suffering is less important than the future prospects of the criminal.