Some clarification on the "why will it fail?" question. It's different and less constructive than "how will it fail?" which asks for failure modes and mitigatio

Some clarification on the "why will it fail?" question. It's different and less constructive than "how will it fail?" which asks for failure modes and mitigations. It's a superior discussion to "why will it fail?" That said, "why will it fail?" is also inferior to the pre-mortem discussion starter: "why did it fail?"