But with LLMs, no one knows their workings once they are trained. The other day, Bark model[0] for text to speech, the team itself has following to say on details:
> Below is a list of some known non-speech sounds, but we are finding more every day. Please let us know if you find patterns that work particularly well on Discord! [laughter], [laughs], [sighs]....
So that's the team themselves not knowing what their model is capable of then how come prompt engineering is any engineering at all?