Boeing manufacturing is also the source of the persistent Boeing problems and issues that goes back to before the MCAS catastrophic incidents and has continued after MCAS was fixed.
Airbus has deeply integrated R&D and manufacturing hubs where the R&D engineers and scientists can just walk a few minutes and they will be inside the factory halls manufacturing the parts they designs.
Meanwhile Boeing has separated and placed their manufacturing plants in the US states where they can get most federal and state tax benefits for job creation.
