I don't think that this discussion is going anywhere. I did like the article about the Silvers, but like I said I do not think that the PL is in the same category.
Ranger1 you are quoting a Test Standard. So every lab that cannot meet this should not be a lab? The bench crowd might differ.
Here is the Breed Standard -
http://www.akc.org/breeds/labrador_retriever/breed_standard.cfmPLs qualify, Silvers do not.
Also, ever meet a PL that never had it's pointing instinct developed in training. I have and its called a flusher.