In itself, not a bad idea. Teaching critical analysis of anything, including accepted scientific theory, can only be a good thing. If not for that, we'd still think Newtonian physics ruled everything.
much of the language in the lesson plan came from Jonathan Wells' “Icons of Evolution,” a seminal text in the intelligent design movement
However, this shows their true intention to create a backdoor for creation myths taught as scientific theory.
Not that I mind creation myths. I think a class on them would be quite interesting.