So, a poster claimed that Darwin wrote a certain passage in the
Origin of Species.
You have yet to demonstrate that the "scientific literature consistently refutes" the claim that he was indeed the author of that passage, which is the claim that the poster in question made.
You have also failed to show that the "scientific literature consistently refutes" what
Darwin wrote.
Indeed, the only scientific literature you have referred to so far is Darwin's own writings.
Let me remind you again of what he wrote:
In the Articulata we can commence a series with an optic nerve merely coated with pigment, and without any other mechanism; and from this low stage, numerous gradations of structure, branching off in two fundamentally different lines, can be shown to exist, until we reach a moderately high stage of perfection. . . With these facts, here far too briefly and imperfectly given, which show that there is much graduated diversity in the eyes of living crustaceans, and bearing in mind how small the number of living animals is in proportion to those which have become extinct, I can see no very great difficulty (not more than in the case of many other structures) in believing that natural selection has converted the simple apparatus of an optic nerve merely coated with pigment and invested by transparent membrane, into an optical instrument as perfect as is possessed by any member of the great Articulate class.
Please refer us to anything at all in the scientific literature refuting any claim made in that passage.
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