It would seem to me if you're going to make a test case of something, you'd choose your venue very carefully.
Maybe that's why DI pulled out. Could it be even they were appalled?
The "clean hands," this-is-not-about-religion ID people are facing a dilemma. (Never mind the evidence of all their own past statements potentially puts them in Buckingham's shoes.) The people they're firing up are the same people who thirty years ago were buying The Genesis Flood. It's the YEC crowd.
And all the "scientific" IDers can do is fire them up, get them charging into the guns, pull out, and watch them lose.
DI has some lawyers who are not brain dead and don't want to be associated with a train wreck.
The other thread documenting their internal squabble indicates they are close to self destruction.
Time for the snake to shed the ID skin and move on to Intelligent Evolution.