The discussion is about what "purpose" means - in the context of designoid systems.
I for one am fine with attributing "purpose" to designoid entities that were created by an anthropic selective process - rather than by evolution and natural selection.
I guess I can see that.
Sweet, there's another Bloggingheads episode with Eliezer.
Bloggingheads: Robert Wright and Eliezer Yudkowsky: Science Saturday: Purposes and Futures