Small groups of competent people (e.g., startups) can also usually do less damage. One quite reasonable approach is to give people small environments they can m

Small groups of competent people (e.g., startups) can also usually do less damage. One quite reasonable approach is to give people small environments they can meaningfully work with freely, but require change control to go outside it. Also, a good postmortem process ought to treat "Why didn't we do this in time" as a problem to solve, too. (To be fair I don't immediately know of good examples of this.)