Nothing more than speculation on your part. That's why evolution is merely a model and not a theory.
The astute reader will notice that several times in that post, I stated that these processes have been observed occurring in nature, and that there is abundant evidence for them. If connectthedots wants to challenge that assertion, he's welcome to do so (and in reply I'll be glad to post enough primary citations to choke a horse), but it's just childish of him to pretend that what I posted was just "nothing more than speculation" on my part.
Or maybe he didn't even bother to read it before hand-waving it away. That would be consistent with his past behavior.
In any case, his failure to deal with the facts, and his obstinate and pointless naysaying as a substitute for dealing with the subject matter, should be entirely obvious to all by now.