Something that add values…
Three people with different sets of skills (application developer, server administrator and release engineer) all looking at what could be causing an issue that manifested itself only in the production environment at release time.
In contrast with something that doesn’t…
A manager not involved in the release, sitting over everyone’s shoulders while they’re trying to understand the issue, reminding them to record the time spent against the estimated times in the plan and all the other paperwork.
And yet, I’m sure most people have had lots of experience with the second situation, and not much experience with the first 🙁