I have to agree with him and it's the reason I can't believe that all life evolved. I read a book by Louis or Richard Leaky when I was in the 8th grade. The concepts of natural selection, survival of the fittest and random mutation all made sense but then I got to the chapter on sexual reproduction where he basically said it evolved because it's "better" and I called BS. Nothing happens because it's "better" in evolution as he described it. I closed the book at that point and returned it to the library.