P.S. there is not, and never will be, a case for a range-limited small widebody-Lite
There is no new business out there now that can't be satisfied by the existing products.
Incorrect observations IMO.
The market studies of Boeing and Airbus say otherwise as you can see.
Boeing probably would have started already if they weren't occupied with the 787, 777X and 737MAX. And they're not even shy about it.
Boeing confirms long-haul 757 replacement study
Does Airbus feel the need to offer more seat above the A321s 220? Ask them:
Airbus Studies 236-Seat A321
Despite a big backlog they invest.
If Airbus would introduce a bigger wing they would do it for a sub-series. Basically the same aircraft trading capacity for range.
