I just had this brilliant idea after lunch . Perhaps it was wrong for Airbus to go bigger, instead they should've aimed at a plane sized between 757/A321 and 787-3?!
My reasons behind this, they could've used the "old" A300 diameter but build it using newest technology, CFRP, barrels, light but fast wing and calculate it such that the sweet spot lies in the 150-250 pax area with medium up to very long range.
They would've had enough power plants to choose from, maybe even something revolutionary from P&W, and I imagine the market should be huge, all the 757/A321/A300-600/A332/767-200ER/A340-200 needing replacement etc.
Does this make sense to you, what are your thoughts?
Have a nice day