I think the concern is more the attitude that allowed this to happen, despite all the issues Boeing has had.
A few years ago, I had read that certain airlines demanded planes manufacturered in Washington rather than South Carolina, and I wonder if that information actually ends up being a useful signal for better quality planes.
https://www.postandcourier.com/business/airline-surveys-poin...
https://www.wsj.com/articles/production-problems-prompt-broa...
The one with the blown door plug supposedly came off the Renton assembly line. No one is safe.