Woe betide you should you ever say anything taken out of context.
Find someone you really don't like, find a comment they make, interpret it as a threat, and file a complaint under anti-terrorism legislation.
Insanity.
A threat is made, it has to be investigated. He is paying the costs of that investigation. This is why you don't shout "fire!" in a crowded theater. This clown got what he deserved.