Cf. Free Republic, Clay tablet holds clue to asteroid mystery, posted by bruinbirdman 03/31/2008.
If thou dost not recognize a hoax as foolish as this one, go reap moonbeames.
A hoax is only a hoax if someone purposefully tries to deceive someone through trickery or fraudulent means. The tablet story may be untrue, but the people advocating the theory are sincere.................