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.
Exquisitely preserved animal fossils now show up on three widely separated continents. The earliest are just as complex as those in the Burgess Shale.