“the blanket rejection of all of “Darwinism””
Nobody actually does this though, except ignorant lay people who aren’t really involved in the debate. Certainly not anyone in the field of ID.
What they need to do, to get their message across, is to parse “Darwinism”, for the average person. Break it down to say 10 major ideas, identify the reasonable ones, and spotlight the bad assumptions built on top of reasonable ideas.
The tower of Babel undoubtedly had a very good foundation, but even a good foundation can only support so much tower before it all collapses.