PRO: Agree with you that Young Earth proponents invariably start with Scripture and filter their science through their understanding of Special Evolution.
In their defense, this is as if they'd been told "Young Earth" by advanced aliens and then started searching the science to correct themselves. Their worldview is that an advanced Intelligence has given them the bottom line and now it's their job to reconcile their data.
Myself, I don't feel that way. But it's understandable, coming from a brain-surgeon class scientist. It doesn't imply to me that he's unbalanced.
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CON: doubt about macroevolution is in a different category from Young Earth; it definitely is NOT necessarily caused by literalism. There are many ID scientists who are not literalists in Genesis. I myself have absolutely ZERO bone to pick with macroevolution; I simply don't believe the Bombardier beetle would make it through selection processes. If I were an atheist, I would still rule out the Bombardier beetle scenarios.
You have not SEEN the material discussing this on scientific grounds. That's well worded. ;- )
Good stuff LR. Appreciate our dialogue this time around.