Agreed. Let's look at it from a simple emperical standpoint: where does the problem mostly arise, and who has the power to fix it?

Organizations that went through true iterative process to reduce failure rate like NASA figured out that they needed to allow true authority to specific domain experts to blow the whistle and not face reprisal or suffer for it. Oaths fix nothing, you need organizational change, and if someone is going to do that, its the management in charge.