> The 737, 777 and 787 combined have eliminated the need for the 747, 757 and 767.
There are huge demand for A321LR precisely because there is a need for 757-like capacity and range. Granted, when 757 was discontinued the demand wasn't there yet.
There are huge demand for A321LR precisely because there is a need for 757-like capacity and range. Granted, when 757 was discontinued the demand wasn't there yet.
Note that Boeing was trying to sell airlines on a clean-sheet aircraft when Airbus launched the A320neo, and _quickly_ started gaining customers, including those that had been loyal to Boeing for decades. Boeing needed something to counter the A320neo, hence the MAX had to happen—and soon.