Don't be so silly.
I'm not
I don't think I've ever met a customer who would have been happy with that.
Obviously you don't get out much then. This method is actually used by a social housing company I used to contract to. I have used this method many times for customers. Actually this is the way I rewired my house.
It seems like a good idea in theory,
Thats because sometimes it is.
but completely impractical in the real world.,
I take you've tried this method and failed then?
Have you actually done many occupied domestic rewires?
yes many moons ago. How about yourself?
I assume when you re-use the metallic conduits in the walls that you earth them?
oh, I forgot according to you thats not required when using insulated and sheathed cables.