It very clear, that you are incapable of learning from your errors...probably because of wiring of your brain make you pridefully reject every effort to be corrected.
(A) “survival of the fittest fittest” isn’t evolutionary mechanism, “Natural Selection”, and what you had described about breeding of domestic dogs as your example, isn’t “Natural Selection”, such breeding called “Artificial Selection”.
While they are some what similar, Artificial Selection differed from Natural Selection, in that humans have history of choosing what breeds of animals they have chosen, based on human preferences for the animal physical characteristics.
But Artificial Selection isn’t speciation. Yes, you would be breeding some physical traits in dogs, but that’s changing the type of breed, not changing species.
And btw, the 1st chapters in Darwin’s On Origin Of Species, involved Darwin explaining how Artificial Selection work...so, what make you think you “discovered” Artificial Selection, when you wrote
“I believe "dogs" virtually prove my contention that change in species is "always" sudden”
You are wrong, you didn’t “prove” change in species with your dog example, because Artificial Selection is not about changing species, but “changing breeds”.
(B)
@Dan From Smithville have already explain to you about your errors in regarding to “bottleneck”, repeatedly.
You keep making the same stupid errors about “bottleneck”, refusing to understand what Dan corrected you on the subject of bottleneck.
And beside that, Artificial Selection of dogs or breeding of any other domestic animals, don’t involved in “bottleneck”. (Plus, you are not changing the species of the dogs, it has nothing to do with “change of species”.)
“Genetic Bottleneck” or “Population Bottleneck” is REDUCING the genetic variations, NOT INCREASING genetic variation, because of the population have decreased, will cause decrease in the gene pool for variations.
You simply refuse to understand, because your pride makes you refuse to be corrected, because your pride makes you to refuse to see the errors you have made.