Sweet, there's another Bloggingheads episode with Eliezer.
Bloggingheads: Robert Wright and Eliezer Yudkowsky: Science Saturday: Purposes and Futures
By replacing 'has purpose X' with 'is suitable for X', a lot of Wright's points become meaningless.
That said, I am also unsure about Eliezer's argument for purposelessness from competing designs.
Sweet, there's another Bloggingheads episode with Eliezer.
Bloggingheads: Robert Wright and Eliezer Yudkowsky: Science Saturday: Purposes and Futures