Scrabo
Pattern Altitude
I'm going to go out on a limb here and say Boeing's failings are quality of management related, not quality of engineering related.
I would disagree with you on this... again Starliner as the example, from software glitches that got it got stranded in the wrong orbit, to
corroded valves, blaming the problem on excess water and humidity - the same type of environment that SpaceX and others launch with.
You just have to look at their MCAS system as a engineering disaster of epic portions