When recipes say to cook something "according to package instructions" ...

What if you don't have a package with instructions? You might buy your pasta or whatever at a bulk store, or from a "zero-waste" store where you bring your own container.

Are most home cooks OK with that wording, or do you prefer that a recipe gives a time?

(Recipe copy editor here. I see this in so many books and always wonder. Finally I've asked. Thank you.)