I completely agree with you that they should know what they are doing and make robust decisions. But when you are at the top, and you tell board what is going o

I completely agree with you that they should know what they are doing and make robust decisions. But when you are at the top, and you tell board what is going on, and you define what it means to be a professional the line blurs. It is very easy to omit certain tail risks by simply not knowing and not taking time to know about them.