Those who believe this word means "I Know There's Nothing There!"
ie. those who purport a Knowledge of [THE UNKNOWN] and by definition [UNKNOWABLE]: what is such a Belief called?
It's a Religion.
(It's tough using language correctly in a culture which disrespects language itself - as much as it is xenophobic of others and their oddities. Surely this has something to do with the 'Atheism' presumptions, just as with the Murican /Or/ Commie Pinko! popular but Pointless shouting matches)
A.