The one I listed is the one that made sense to me. His other rationals included: It counts as regular armor so its not ghost touch; and my personal favorite, which always seems to come up when dealing with newer DM's, It's not explicitly stated in the description that it provides that protection...
That one actually made me do the most horrible thing I could think of in relation to game, I told him if he didn't want to think for himself to go play W.o.W. on tabletop, aka 4th ed.
