All of them at once? They are in those positions for a reason. Who is going to step up to take their place? You?

The lost gods know, I've made my share of mistakes over the years. Several of them were pointed out to me by those under my command, in a respectful manner. I listened, and I did what I could to fix them and not repeat them.

That is what you should have done. Leaders are far more inclined to listen when they are not being ranted at. Furthermore, this is not the time for this bullshit. We've all just faced our worst nightmares, and most of us are still not in a good state of mind.