I'm not sure if this is necessary. Any comments are welcome.
This is an appropriate line of thinking.
Lightning rods isolate damage by directing a direct strike right to the ground. In theory, this helps mitigate costly repairs/replacement of devices on the pole itself (ie: lamps, cameras, radios, transceivers, etc)
The cost of full replacement of all these items is contrasted next to the cost of a lightning rod. This could easily be a 10X cost difference for a pole with multiple cameras and network apparatus. Or it may be 1:1 cost for a pole only mounting one camera.
In other words, if $4000 worth of surveillance equipment is hung on the pole, a $400 installed rod cost may be worth it. If a pole only has a $100 camera hung on it, that same $400 rod cost may be harder to justify.