They have an alternative, but its not scientific. And they don't like to talk about it directly.
But the cat was let out of the bag. The Wedge Document outlines a strategy for pushing religion, and it was leaked. It says, in part:
Discovery Institute's Center for the Renewal of Science and Culture seeks nothing less than the overthrow of materialism and its cultural legacies. ...There is no scientific alternative to TTOE. As has been the case for 150 years, there is a religious fight against the theory of evolution, but on the science side things are pretty well worked out. Scientists are now fighting over the small details; Darwin formulated the big picture pretty accurately.We are building on this momentum, broadening the wedge with a positive scientific alternative to materialistic scientific theories, which has come to be called the theory of intelligent design (ID). Design theory promises to reverse the stifling dominance of the materialist worldview, and to replace it with a science consonant with Christian and theistic convictions. ...
Governing Goals: To defeat scientific materialism and its destructive moral, cultural and political legacies. To replace materialistic explanations with the theistic understanding that nature and human beings are created by God.
(A science consonant with Christian and theistic convictions; I can hardly wait. Paging Nehemiah Scudder; pick up the white courtesy telephone please.)
I notixe the usually effluent Radix is silent. And I thank God that Heinlein invented Scudder. He was right about "if this goes on..."