Earlier quoted context omitted.
Expectation of privacy in public places has never been a concept anywhere. Privacy and public space are simply contradicting terms.
> Expectation of privacy in public places has never been a concept anywhere. This is untrue. Naomi Campbell was in a public place, but courts found she had a reasonable expectation of privacy. https://www.telegraph.co.uk/news/uknews/1461187/Naomi-Campbe... In England you can't just set up CCTV to monitor public space, you need to register that with the ICO.
In the UK there is no expectation of privacy in public places and anyone can film or take pictures in public. Case in point: the flourishing tabloid industry of celebrity pictures.
The ICO is about data protection. Even websites processing personal data must register with the ICO.