The evolutionists are the ones guilty of erecting the straw man argument in this instance. In addition, Dawkins fully admits that these features work perfectly well for the task at hand. Dawkins oversimplifies the complexities in each case history. He illustrates how easy it is to sexually arouse human males and concludes on page 62, 'Perhaps a fleeting view of a female is all a fast-flying wasp can expect to get before attempting to copulate with her. Other flowers show variety in colour, but no variety at all in shape.
Orchids show amazing diversity in both colour and shape.
This indicates a tremendously complex genetic system to allow for such diversity. There is more to consider than just the wasp. One must also calculate the difficulties for the orchid as well. Dawkins ignores the complexities of this part of the equation. Later on page 67, after explaining the limits of wasp eyesight, Dawkins reasons that 'At least in some respects, then, wasps are easy to fool.