There's a group called blade runners, they've been taking these cameras down for a while. This is how to deal with them.

https://www.dailymail.co.uk/news/article-12955045/Ulez-blade-runners-strike-Campaigners-against-hated-CCTV-enforcing-Sadiq-Khans-12-50-day-eco-tax-attack-camera-replace-Christmas-tree.html