Failure to name the designer of intelligent design (ID) by ID proponents gives the impression that the inferred intelligence is not available for scientific study. That's a misconception.
When we are faced with an old and mighty tree, that complex system’s parent seed is not available for our examination, yet the observation of nature and reason tell us that the tree in question is the product of a seed. We know, in other words, that a tree is the seed’s way of making reproductions of itself. For this reason we find invariably that the parameters or determining characteristics of an oak tree are exquisitely fine-tuned for the production of acorns, and that the parameters of a bird are similarly fine-tuned for the production of eggs. In systems terms we find that reproductive cells constitute the input and the output of such complex systems. So even if the initial input of a complex system is not available for direct scientific study, the reproductions of that input in the form of output are most definitely available for observations and experiments.
Remarkably, we find in astrophysics that the parameters of the universe are exquisitely fine-tuned for the production of human intelligence, similarly as a tree is fine-tuned for the production of seeds. This finding, combined with nature’s observation, allows us to infer that our universe yields human intelligence as its output because human intelligence generated the universe for the production of human intelligence in its own image. Put simply, according to this scientific theory of creation human intelligence constitutes the tentative seed of the universe, or the cosmic system's input and output, pending the discovery of a higher form of non-human intelligence.
Naturally it may be argued that human intelligence is not the highest form of intelligence in the universe. Whether it is true or not, we do not know. What we do know beyond any reasonable doubt is that there is absolutely no confirmable evidence in favor of the belief that an intelligence superior to human intelligence exists. But if anyone keeps insisting that human intelligence is not the highest form of intelligence in existence, where is the tangible evidence that intelligence superior to human intelligence exists, or can come into existence? The person who argues that an intelligence superior to human intelligence exists, or can come into existence, has the burden to deliver the positive evidence.
So the proposal that human intelligence constitutes the cosmic system's designer, or input and output, remains valid. Only the discovery of an even more superior intelligence can falsify that theory.
Since we identify human intelligence as the seed of the universe, its input and output, or its designer, those who argue that this theory of creation is not scientific have no case. Human intelligence, as well as the human genome, indubitably exist, and are available for scientific study. So the designer of intelligent design is no longer unidentified, it is available for scientific study, and is being tested at this very moment.
Because descent from one common ancestor is the essence of Darwin's theory of evolution, the theory that human intelligence is the common ancestor of the entire universe actually reinforces Darwin's main contribution to science.
Thus the conflict is not about descent from one universal common ancestor, but about the properties of the common ancestor. Whereas Darwin proposed descent from a simple beginning, the scientific theory of creation proposes descent from the existing highest form of intelligence, which universal common ancestor is human intelligence, pending the discovery of an even higher form of non-human intelligence.
The objection may be raised that human intelligence has nothing to do with the generation of the universe because zero intelligence generated the universe and human intelligence. But contrary to what proponents of this delusion would like us to believe, it has never been demonstrated that at one time no human intelligence existed, or that zero intelligence on its own effort can generate the universe and human intelligence.
Because the scientific evidence is clear beyond any reasonable doubt that no initial cause can yield effects superior to itself, or give more than what it has, therefore human intelligence can never originate from lesser forms of intelligence, and ultimately from zero intelligence. Consequently it is entirely reasonable to posit that there was never a time when human intelligence did not exist
Human intelligence exists, and if human intelligence generated the universe for the purpose of self-reproduction, then human intelligence is everlasting. In other words, if human intelligence constitutes the initial cause of the universe, then the universe has no power to act upon the cause of its own origin, similarly as a tree has no power to act upon the seed of its own origin. In any case human intelligence appears to be immortal in the sense that no experiment has proven otherwise.