Have you ever picked up butter to check if it says milk or not? Like I get that for plenty of other foods where it is, of course, non-obvious. But I would ass

Have you ever picked up butter to check if it says milk or not? Like I get that for plenty of other foods where it is, of course, non-obvious. But I would assume you know that no package of butter will ever not say milk? (Or if it didn't, it was mislabeled, like in this article?) So that you don't even bother checking?