Yeah, and Adolph Hitler wasn't guilty of a damn thing except speaking in public. Gosh, what's all the fuss about?
It has a little something to do with incitement and persuasion.
Look up the "manslaughter" statutes in the state.
Most of them have some provision for "setting in motion" events which lead to someone's death. I think a grown woman manipulating the emotions of a teenage girl in this way could easily fill the requirement of "setting in motion" the events that led to the girl's death.
Quit pretending that such alarmingly reckless and irresponsible behavior as this has no real consequences.
I'm pretty sure Hitler has the force of the law behind him.