I'm actually curious enough to read the stuff. That is why I know they have no evidence. I read the thing here---Evolving Inventions
You will note they have no references for the experiments. What references are there give him a little spending money (except for the Turing ref)
Computing Machinery and Intelligence. Alan M. Turing in Mind, Vol. 59, No. 236, pages 433460; October 1950. Available at www.abelard.org/turpap/turpap.htm by permission of Oxford University Press. Genetic Programming: On the Programming of Computers by Means of Natural Selection. John R. Koza. MIT Press, 1992. Genetic Programming: The Movie. John R. Koza and James P. Rice. MIT Press, 1992. Genetic Programming III: Darwinian Invention and Problem Solving. John R. Koza, Forrest H Bennett III, David Andre and Martin A. Keane. Morgan Kaufmann, 1999. Genetic Programming III: Videotape: Human-Competitive Machine Intelligence. John R. Koza, Forrest H Bennett III, David Andre, Martin A. Keane and Scott Brave. Morgan Kaufmann, 1999. Genetic Programming IV: Routine Human-Competitive Machine Intelligence. John R. Koza, Martin A. Keane, Matthew J. Streeter, William Mydlowec, Jessen Yu and Guido Lanza. Kluwer Academic Publishers (in press).