DEI in commercial aviation?
...not a good idea.
Former FAA test pilot Brett Vance of JetJockeys.tv and retired chiropractor/airline captain Kevin Stillwagon discuss Diversity, Equity, and Inclusion in commercial aviation. The entire 2 plus hour interview covering other issues including the illegally mandated covid shot is available at JetJockeys.tv.

Because you mentioned whistle blowers having been threatened, I am aware of at least two whistle blowers for Boeing that have been suicided. It's a real thing.
The reason Sully saved 155 passengers after hitting a flock of geese was because of his experience and his intuition to do what was necessary to save lives.