Why production systems keep making “correct” decisions that are no longer right [D]

Reddit r/MachineLearning / 4/19/2026

💬 OpinionIdeas & Deep Analysis

Key Points

  • The article argues that a recurring production failure pattern isn’t caused by model quality, data issues, or infrastructure, but by drifting real-world assumptions.
  • It claims that systems can keep operating “as designed,” producing outputs that are technically valid yet contextually wrong because the meaning has changed.
  • The author describes this as a “Formalisation Trap,” where semantic intent becomes locked into process structure and remains enforced even after it stops matching reality.
  • The author notes that common organizational responses—tightening controls, limiting overrides, and increasing monitoring—may reinforce the same flawed behavior rather than correcting it.
  • The piece ends by asking whether others have observed similar patterns in production systems, inviting discussion and corroboration.

I’ve been looking at a recurring failure pattern across AI systems in production. Not model failure, or data quality or infrastructure.

Something else. Where system continues to operate exactly as designed, models run, outputs look valid, pipelines execute and governance signs off

But the underlying assumptions have shifted. So you end up with decisions that are technically correct, but contextually wrong. Most organisations respond by tightening controls, reducing overrides or increasing monitoring.

Which just reinforces the same behaviour. I’ve tried to map this as what I’m calling the “Formalisation Trap”, where meaning gets locked into structure and continues to be enforced even after it stops reflecting reality.

Has anybody else seen similar patterns in production systems?

submitted by /u/Bright_Inside7949
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