It’s circular: “Because evolution innovates things, it will innovate things if given the opportunity.”
Lang and Rice cite a number of articles to show that loss-of-function mutations are just a small minority of those found in studies of organisms.
The Brown University biologist is still out there, reassuring the world that unguided “evolutionary mechanisms” comfortably explain the wonders of biology.
Professor Lenski’s contrasting of the frequency versus importance of evolutionary changes is misconceived and his illustrations are inapt.
Alas, Coyne’s review of Darwin Devolves has too little intellectual content to sustain any real engagement.