Idiotic article. Nobody collects "why"s so they can not change anything. Not changing anything is never the failure mode. The failure mode is changing the wrong thing. If you are a leader, and something egregious goes wrong, it is your job to ensure that your people don't just put some bandaid fix on it that will keep causing issues indefinitely. Understanding the complete "why" is a precondition for that. Not bothering to hear a complete explanation because you trust your people to do the right thing is fine, but then why were you on that call in the first place? Let them do their job.