And the perceived sentiment that those fatalities are directly linked to changes in the corporate culture that emphasized 'greed' and 'middle management power structures' over 'engineering focus'

Not saying these are true - or false - just that the prevalent media coverage and social media commentary (including here on HN) has been touching on these points frequently. The 'good guys' at Boeing were pushed out or silenced, the 'sleazy guys' won and didn't care about the consequences as long as they got their payday