Let’s hope Boeing and Airbus end the MAX and NEO at this design and be done with it.
Airbus has started playing with the 321 recently which is already at its max capability in my book let alone adding all sorts of bits and pieces to it, to try and push it harder and harder.
Boeing would be better off keeping the MAX fairly short term and get a leg up on Airbus planning the next generation narrowbody. I’ve got a feeling they will get sidetracked again with the 777X. The A321 is great but its pushing the barriers as it is, needs a bigger wing which means a whole new design across all variants. They should be going after that 250 pax narrow body machine before Airbus brings in the market the replacement.