Around 50 BC Titus Lucretius Carus wrote a long treatise against finding purpose in nature.
Let’s compare the most ingenious technological inventions — from Silicon Valley, for example — with the inventions inscribed in carbon in “simple cells.”
Surely there could not be an equivalent ensemble of fitness in nature for some other type of life.
The claim that a spike in carbon isotope concentrations led to the explosion of biological diversity in the Cambrian doesn’t hold up, as if it would have helped, anyway.
As symbols of the perfection of human form, one might consider the Venus de Milo or Michelangelo’s David. But those don’t show the insides.