He said in fact just the opposite. Not that he was great, but (most) other game designers suck. He also listed exactly what he considers is needed to not suck

He said in fact just the opposite. Not that he was great, but (most) other game designers suck. He also listed exactly what he considers is needed to not suck, and why it's lacking in most of industry. No "special mojo". Did you even read the article?