The FBI, by raiding everyone involved in this, is taking the risk of setting a precedent whereby protest-DDoS is proved legal How is that a "risk" for the FBI?

The FBI, by raiding everyone involved in this, is taking the risk of setting a precedent whereby protest-DDoS is proved legal How is that a "risk" for the FBI? On the offchance it is proved legal then that's no skin off the FBI's nose -- they have plenty of other crimes to be investigating.