He still said "most" within the sub-group of reasonably intelligent people, not "all". You may disagree with that claim, but one person not fitting into "most" means nothing.
As I said, you may disagree with the claim. I wasn't even personally supporting the claim in that comment, merely pointing out that it's possible for a.) the claim to be true and b.) Eich is intelligent - they aren't mutually exclusive based on his claim.