Because we still assume that computers are precise things that do what you tell them to do, and react in predictable(-ish) ways. We don't know how to deal with

Because we still assume that computers are precise things that do what you tell them to do, and react in predictable(-ish) ways. We don't know how to deal with a non-deterministic output from a computer. Even here on HN you will see people whose world view is basically "LLMs are good and how dare you doubt them"