It starts with him comparing ZeromusEG in FF4A being what was similar to FF4ET.. which is not even close to the truth. Sure ZeromusEG was similar to Zeromus, but the attacks dealt were a little more dramatic than what he made it out to be. The FF4A ZeromusEG is a poor facsimile to anything other than a poor battle script written in my bathroom toilet.
Coral Sword is metallic. It's the Piggy's Stick (that replaced the Mythril Sword) that was non-metallic.
Meeple does reference a japanese site that discussed it, but there was more to it that just what the site made references to.