I'm not saying that you shouldn't be allowed to register a dog with a disqualifying fault like dilution, tan points, or even polka dots.
Sometimes when you breed two dogs, you find something weird.
But, you don't keep trying to intentionally produce it.
What makes dilution in Labs unique, is that there is a demand for it, and there is money to be made, by intentionally reproducing it.
And that makes it a problem.
For the registry, it's a problem that while not without similar precedent, has not yet been satisfactorily resolved.
It's been ignored, and allowed to grow into a bigger problem.