If you actually look at the SAE J3016_201609 standard, your goalpost-moving takes you beyond level 2. "Giving ample warning" puts you in level 3, whereas "pulling over as a default action" puts you in level 4.
The original point - that level 2 is a terrible development goal for the average human driver - still stands.
The original point - that level 2 is a terrible development goal for the average human driver - still stands.