And then they put it in paint, dye, resin, etc. I have read the patent.
But, back to it... It doesn't matter if it is encapsulated. Either it is in a polar molecule which will be destroyed by current or in a non-polar molecule which will be destroyed in the solvents used to make the paint, dye, resin, etc.
The copper wire being stolen is not the wiring in your house. It is high power, high current transmission line.
And, no matter, current generates fields that damage organics regardless of what magical substance they are in.