The strength of a theory can be gauged by how well it stands up to attacks and how well it incorporates new evidence.
New corollary to an old law: Put Darwinian assumptions in, and you will get Darwinian models out.
If this is the best answer evolutionists can come up with, it’s game over for Darwinism.
The top-down pattern of appearance of animal phyla during the Cambrian explosion represents major conflicting evidence for Darwinian evolution.
Darwinian paleontologists try model after contradictory model to get blind chance to invent design.