As Denyse O’Leary asks, “Why is it comparatively easy to develop a program to play chess, as opposed to teaching a robot to walk freely?”
Darwin’s evolutionary mechanism is just a blunt recipe, an algorithm, and it can only select what is immediately functional.
It’s strikes me that this is a difference between design and Darwinian thinking.
Father Michael Chaberek helped me (a passionate but amateur Thomist!) understand an issue that perplexed me for years.
Let’s consider the eye, which is but one of many subsystems (along with the brain, heart, liver, lungs, etc.) in higher animals that coordinate their tasks to keep an organism alive.