I'd argue that the message of this post-mortem, that is "mistakes were made, but the fault is with the tools and not any one person" is a much better response t

I'd argue that the message of this post-mortem, that is "mistakes were made, but the fault is with the tools and not any one person" is a much better response than the CEO making a symbolic statement claiming the fault. both better for morale, and better for preventing another incident.