A physicist that I know commented that many other scientific disciplines, such as geology, anthropology, astronomy, are also challenged by biblical fundamentalism, but their people seem to be able to get on with their work without worrying unduly. Only Darwinians seem thrown into a frenzy that sends them running to litigation and demanding censorship. His explanation was that it's a rival religion.
Blind metaphysical necessity, which is certainly the same always and every where, could produce no variety of things. All that diversity of natural things which we find suited to different times and places could arise from nothing but the ideas and will of a Being, necessarily existing.