[VadeRetro]

. . . and the lack of IC for one part of IC structure has no bearing on the IC of the structure itself unless that particular part is IC which would then make the entire structure IC.

My head spins. Obviously, anything anyone ever deconstructs as evolvable will simply be discarded as "not a good IC example."

[AndrewC]

My head spins. Obviously, anything anyone ever deconstructs as evolvable will simply be discarded as "not a good IC example."

I don't see why. After all, that statement is practically an extension of the Darwinian argument for evolution. In any case if something is "proved" IC (something that Darwinian evolution denies as necessary for itself) then anything using that IC construct acquires the IC character, at least that is how it seems to me.