Unfortunately, the arguments against Lennon's insipidy were a series of indsipid wet-blanketisms, not unlike when nerdlings sit behind you in the movie theater, babbling away about how the dragons of the Nazgul can't REALLY fly because they lack a proper avian sternum.
It's a frickin' song.
P.S. "Row, Row, Row Your Boat" is highly irresponsible.