Cambrian explosion Ediacaran Intelligent Design

Can the Cambrian Explosion be explained away by the earlier Ediacaran Explosion?

David Klinghoffer: Lukas Ruegger is the personable new intelligent design “explainer” whose videos take an approach similar to Khan Academy’s. The latter’s offering on evolution is replete with junk science, as Casey Luskin has detailed. Ruegger’s treatment of the subject is much better, and I appreciate his clarity and brevity.