The speaker says models rarely fail because they do not know how to perform a task; implementation notes can expose omitted actions for a person to review and request.

“it's very rare that the model just doesn't know how to do something if you just have these implementation notes then you can review and you can be like oh actually i want you to do this thing that you didn't do the models are getting better at surfacing that overall like i see in the transcripts of fable 5.1 like when it does this output it will call out if decision making as well um but making this more explicit in the harness is better and now we're you know”