Comments aren’t working for me at Biologos, so I am posting mine here:
This post is another highly selective treatment of the evidence. It seems that the writer is not asking the question, “Is Darwinian evolution the best explanation for the Cambrian explosion?” He rather seems to be asking: “Can we shoehorn the Cambrian fossils into our favored theory?”
Arguing that the Ediacara fossils are on a continuum with the Cambrian fossils is highly controversial and is not mainstream. See here.
As for the Gould quotes, Darrel says they are too old, but doesn’t explain what has changed to make them obsolete. This post contains a summary and link to Donald Prothero from 2009:
“Thus, over 35 years after the original 1972 paper, we have a different kind of “two cultures” phenomenon of people with different mindsets talking past one another. Paleontologists have agreed for decades now that the prevailing message of the fossil record is stasis despite big changes in the environment.”