There's also a much more serious point at stake here which is that should we be thrown in jail for making sarcastic/bitter/meaningless comments? It seems obvious (unless someone is withholding other facts) that this child had no intention of committing a crime, but because he was frustrated/angry and didn't express himself well (as an adult would, which is something we don't expect children to do, because that's what being young is about, learning!) we want to lock him up for 8 years? Does anyone really think that's a good idea? and more importantly by ignoring what really happened you're ignoring the fact that actions like that have now come under scrutiny by the general public/government, and to such a degree that by merely jesting we face jail time? That's insane, I would believe that maybe an investigation by the police, maybe a day in jail...
