Here’s the opinion of one long experienced Sw Dev - albeit with experience in slightly different industries.
The entire situation is indicative of the risk acceptability vs bottom line costs that prevails these days. Overwhelming importantance is placed on costs & timelines vs quality. It’s basically become acceptable if not expected to have flaws, recalls & the like - no matter how critical the nature of the deliverable is. It’s now common place to not take the proper time, pay low wages, & not support the concerns & undesired analysis results found & communicated by reputable employees that will not accept anything less than what is needed to ensure software & products are designed, developed & function properly Before they are delivered/implemented.
Many of the latest “fads” of software development demand these kinds of issues/concerns/incorrect results be voiced. Yet when those techniques are implemented & issues are questioned/identified in some instances management do