The strength of a theory can be gauged by how well it stands up to attacks and how well it incorporates new evidence.
The notion that many genes would be required for the Cambrian explosion may seem unsurprising — what is surprising is that anyone would challenge the idea.
I urge you to review this important series. Humbly place it at the feet of your favorite Darwinist, atheist, or theistic evolutionist.
The fossilization of Kimberella specimens was most likely based on rapid burial with sand during storm events.
A new fossil worm from the closing days of the Ediacaran is being celebrated as a missing link that demonstrates a gradual Cambrian diversification, not an explosion.