LOL. Pancho my dear, I believe you're a tiny bit lost. The way you speak of breeding true...well there isn't a breed on EARTH that does that, LOL.
I have an "oversized" Shiba. He's about 2-3 inches over standard. It doesn't mean he's NOT a Shiba. I also know Shibas that have mismarked coats...too much urajiro, a reverse mask...still...doesn't mean they aren't Shibas, or that the breed AS A WHOLE doesn't breed true.
So...would your idea of a breed that "breeds true" be a group of dogs with absolutely NO variation? I hope then, it doesn't come as a giant shock to you, that GENETICS doesn't work that way. (A good genetics class can clear that up, though
). By your standards a red Malamute, or heck, even a black and white Malamute would be the results of "sloppy breeding," and would be "untrue" to their breed simply because they aren't wolf-gray.
Some genetic variations CANNOT be predicted, no matter HOW GREAT the breeder is. In fact, the BEAUTY of genetic variation is that it allows us to actually HAVE DIFFERENT BREEDS. And yes, within those breeds, different coat colors, different ear sets, and different sizes.
So yes, this ear, the result of an UNPREDICTABLE GENETIC VARIATION (ie: no "sloppy breeding involved") may not have been in the original plan of the breeders. But once they saw the result, and liked what they saw they continued to select for it. Nowadays you're hard pressed to find Phalenes (the drop-eared version), at least in the US. Now if that's not "breeding true," I don't know what is.
Your idea of "breeding true" is from a world of fantasies. Nice to think about (for some, maybe), but not based in any sort of biological understanding or reality. Genes just don't work that way, and frankly we humans aren't that smart yet.