Yes, I imagine if you have a large 2 story house with 30 metre cable runs you would need to use a backbone of solid bus bars, with shorter runs of cable to the outlets.
As I said, I have my doubts it would be a win anyway - for much the same reasons: I^2R losses and because I'm not sure that large switchmodes are significantly more efficient than smaller ones anyway.
As I said, I have my doubts it would be a win anyway - for much the same reasons: I^2R losses and because I'm not sure that large switchmodes are significantly more efficient than smaller ones anyway.