> The underspecification forces the model to guess the data model, edge cases, error behavior, security posture, performance tradeoffs in your program

It’s guessing using the entire sum total of its ingested knowledge, and, it’s reasonable to assume frontier labs are investing heavily into creating and purchasing synthetic & higher quality data.

Judgment is a byproduct of having seen a great many things, only some of which work, and being able to apply that in context.

For most purposes (granted not all) it won’t matter which of the many possible programs you get - as long as it’s usable and does the task, it’ll be fine.