FBI is useful law enforcement tool, trump era made them inundated with complaints like these which carry much more seriousness to them and they are doing nothing because of the law that law enforcement acts when they have credible information that someone is acting on their threats,. For them to get to this kid, he sounds a kid, will be beyond important. May be it is a Muslim guy who made the threat, it might get pushed at the top, other than that, you are misusing a good tool available to you for much more dangerous situations. If he posted home addresses, etc, with names and locations, I can see the need for action on it.