One only meed read this article:
https://newrepublic.com/article/154944/boeing-737-max-investigation-indonesia-lion-air-ethiopian-airlines-managerial-revolution
In my estimation all these folks sit on one another's boards and create a cult of personality. Meanwhile, the hidden costs in the long term work out of all this corner cutting and substitution of expertise is ignored in favor of the immediate unweighted one time gains.