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They are at that point, though with the UK having more cameras on every street than any other country, it is hard to even break wind without someone or big brother watching.
It is getting worse also, with the internet of things, there will be a listening device in every street light, so the silencing of the people will be complete, and people say China is oppressive, the UK takes the lead.

https://www.theinquirer.net/inquirer/news/1012504/westminster-snoops-install-microphones-on-lampposts