Drat. The article didn’t explain whether the vandals were compelled to do this by their Ids, Egos, or Super Egos.
Commander John J. Adams: What is the Id?
Dr. Edward Morbius: [frustrated] Id, Id, Id, Id, Id!
Dr. Edward Morbius: It's a... It's an obsolete term. I'm afraid once used to describe the elementary basis of the subconscious mind.