I see how what he said was wrong but if they wanted to scare him they should have just given him community service. Putting him in jail for even a day is exaggerated.
Not sure if this has already been posted but I thought it was pretty messed up to make an example of this kid.
http://dailycaller.com/2013/06/27/texas-teen-makes-violent-joke-during-video-game-is-jailed-for-months/