I'm not even sure which one it's said to be exactly, I would have to ask in more detail and my eldest definitely did not want to discuss it at length. They were clearly in pain; it was that admixture of shame and indignation that arises from reckonings of this kind, the call to action set against someone your psychological reward structure tells you is an ally. They've… lost a friend, essentially, in a way that feels absolutely real. I grew up with online services, even before the Internet; the c64 service Quantum Link, progenitor of AOL, was something like access to the astral plane. My mother had to contend with the twin scourges of Rap and Heavy Metal, but the parenting environment I've inherited is one where amiable phantoms waft in and out of your children's lives and occasionally they are revealed to be rapists.