Lets see what happens when I take out the time scale element, from my "alternative Patrick" argument:
We have no empirical evidence that the mainstream, conventionally presented, iterative process of genetic changes occurring through random/chance mutation, crossing over, reshuffling of chromosomes during meiosis, new diploid combinations from haploid pairs, chromosomal material loss/duplication/transposition, etc; which are then selected for against a fitness landscape, which includes competition from other species, members of their own species (mating, food, etc.), avoidance of predators, and changing environmental conditions, etc.; which also happens to open up new opportunities for those entities to fill new niches, and improve their specializations along the way; could possibly result in a hypothetical reptilian common ancestor becoming both a bird and a JREF forum poster.
You're still missing a lot of pieces in your own claim.