My thought would be - ignore it. Seriously what will they record? There are many strange and sad folks in the world, best just let them be.
You could maybe put up your own CCTV or even just the signs, but I'd only go to that trouble if you felt they would help discourage burglary etc.
https://www.screwfix.com/p/cctv-in-operation-sign-200-x-150mm/49185
You could maybe put up your own CCTV or even just the signs, but I'd only go to that trouble if you felt they would help discourage burglary etc.
https://www.screwfix.com/p/cctv-in-operation-sign-200-x-150mm/49185