Oh come off it. Thousands of examples of speciation have been found in the natural world. It is common grist of Biology Grad student's Doctorals.
Crick is among the most brillant scientists living. Because he's basically honest yet can't admit to the existance of God, he has resorted to crediting space aliens for our creation.
The guppies were your analogy to the simplicity of RNA changing to DNA.
Since you don't like the math proofs, how would you falsify abiogenesis?