You don't tug on Superman's cape, you don't spit into the wind, you don't make jokes at an airport security checkpoint, and you don't have a "who can write the scariest threat contest" on the Internet. Hey, dude, you apparently won!
Even in these days where political correctness and "message control" are in full effect, there is a line between speaking freely and being stupid. He appears to be the only prize winner in the "contest". He shouldn't go to prison for doing something stupid but let's hope this is the end of his 15 minutes.