According to that logic, this halacha wouldn’t exist in the first place.
I told you a clear distinction. The halacha exists, but you are misapplying it.
Presumably, if you are telling someone that the merchandise in Store A is more expensive than the merchandise in store B, then you would also have to let them know that it is better quality if it is relevant to the person you are speaking to.
I said the same product. Let’s please not keep shifting the discussion.