Then all of the sudden, 542 million years ago, vast quantities of complex creatures emerged without any of the evolutionary precursors demanded from Darwin’s theory.
How did you determine that the fossils found in the Cambrian have no evolutionary precursors?
I've given my references. They are scientists. Perhaps start there if you've never heard anyone express this skepticism.
Which of those references describe a methodology for determining if a species has no evolutionary predecessors? How do you look at a fossil and determine if it had no ancestors?