Borsch old chap I think you may have missed the point, ageing wiring in aircraft is and WILL be a very big problem.
Saw the film of Kapton carbon arc tracking in looms and it is not a laughing matter, for those who don't know this is where a wire catches light in a loom bundle and burns the loom completely without any other source of ignition, even if you pull the breakers. In fact some airframes will need a rewire just to maintain their airworthiness.
Some greenies may be sitting around drinking their tea but believe me they will be v. busy in the near future. Anyway i'll now disengage soapbox.