I think a lot of the probable cause comes down to the venue and context. After all, someone going on a rampage in a MMORPG could not be pursued for being a pote

I think a lot of the probable cause comes down to the venue and context. After all, someone going on a rampage in a MMORPG could not be pursued for being a potential murderer. Yet a random entity in a public, online chatroom is assumed to be human by default (despite all the bots out there), so if someone wants to get kicks from a robotic kid, a public venue like that is not the place and they need to engage in these activities in a suitable forum (like a game).