Re: Glossing a commercial turd
With London to Sydney non-stop by twin motor possible in the next few years,
That is the exact driver here. I do not see a way of surviving a direct London-Sydney without with.
While you are not likely to see this arrangement on Eu-USA transatlantic, it will most likely sell very well on Eu-LatAm, Eu-Australia, USA-LatAm, USA-Austrlia and TransPacific which are becoming posisble with the extra-long range 350.