Following Darwin, with an assist from Stephen Jay Gould and Richard Lewontin, Ken Miller proposes that human reason, consciousness, etc. are exaptations, or “spandrels.”
Miller is one of those “settled science” bullies. Here he sets his sights on essayist Marilynne Robinson.
Vertebrate eyes work reasonably well, Richard Dawkins conceded, but “it is the principle of the thing that would offend any tidy-minded engineer!”
Venema cites the vitellogenin pseudogene as supposedly demonstrating common ancestry between humans and birds, such as chickens.
Check it out this video documentary and see for yourself. Admittedly, the bar for our being impressed was very low.