What If People Stopped Believing in Darwin?

What if people stopped believing in Darwin? Let's say they just suddenly stopped one day, awakening as from a brain fog of misty narratives and just-so stories? I mean they stopped believing in things like the grand sweeping stories of eons of time giving rise to the vertebrate I, or new body plans springing from the brow of the Cambrian whole and entire, or things like whale evolution or "sudden radiations" of whole new classes of animals or plants. Imagine those ideas going away overnight,...