“Don’t touch prod” is a request, not a safeguard

The article explores pitfalls in prediction data storage, noting how derived values can become stale when dates are corrected, leading to temporary mismatches between the home screen and calendar. It also warns that “don’t touch prod” is merely a request, not a technical safeguard, and emphasizes that cost models should price retries, queue waits, and missed deadlines rather than just the initial request.