I've been involved in video surveillance for the last 15ish years, in the US, UAE, Japan, UK, South Africa, South America, Caribbean, and elsewhere. What you're

I've been involved in video surveillance for the last 15ish years, in the US, UAE, Japan, UK, South Africa, South America, Caribbean, and elsewhere. What you're describing is exceedingly rare. Robbers are generally not spending much time on cameras and recorders unless the equipment is right out in the open, such as at a small store that puts the recorder near the cash register. Thieves are not following cables around, and installers are not adding time and expense to create these scavenger hunt decoy systems. If you feel that you have a legitimate threat that might lead to attackers trying to disable your video system you would more commonly install better equipment. Cameras that are more covert, or are ruggedized/vandal proof, and installed out of reach. Installations that leave no exposed cables, PC-based video recorders that don't have branding or indications of what they are doing, etc.