Most of the other replies to this hit the nail on the head.

A human writing some poor, but working code that is supposed to be a demo, goes to production 9 times out of 10.

Then it becomes critical infrastructure.

Then management cannot understand why something working needs a rewrite because there's no tangible numbers attached to it. The timeless classic developer problem.

We were here ^^^^ up to 2024-2025.

Now, with LLMs, you can at least come up with a vibe coded, likely correct, likely faster, solution in a morning, that management won't moan at you about.