Descartes' argument is full of holes. We pulled it to pieces in debate class one night... it's really a rather poor argument.
Anyway, on topic.
Yeah, I think this is all ridiculous... doesn't anybody remember when William Jennings Bryan made a fool of himself the first time around? I mean sure, maybe the Protoss are these intelligent beings that are being referred to here, but somehow I doubt it. And if it's not the Protoss, then it must be God and that means we're teaching the Bible in public schools... oops! I'm pretty sure the country already dealt with that one too.