Maybe the purpose of the attack is less temporary disruption of service but more the shock of discord to members. The blame game begins with accusations of: “those damn (insert preferred scapegoat here) did it” and the fall-out of mistrust ends in a scorched Earth. Divide and Conquer. Asking who benefits from sowing seeds of dissent in a national conversation before an election may show state actors, both foreign and domestic, plus a legion of mercenaries. If the Right vs Left were to look up they might see that the fight is really Up vs Down and all about what pulls the strings.