So you're implying that someone in a locked Waymo was assaulted at gunpoint from outside the vehicle? These are rolling surveillance machines (in a good way?) and virtually every aspect of this would be caught on probably a dozen cameras. I'd be surprised if this hypothetical scenario has ever happened, and if it has, I'd love to see the evidence.
I think people vastly overestimate the extent to which would be criminals think ahead to the likelihood of being caught and the severity of the punishment.
You're laying on enough qualifiers that even a recent robbery of a Waymo is precluded, because (if we really want to victim blame) their window was down which is asking for it.
But overall, not sure why the tone of these replies: then Venn diagram of "wants to rob people" and "cares Google's AV will record it" doesn't include as much overlap as you're implying.
A Waymo has even been used as a getaway vehicle a few times now, once even successfully