Yeah, I think it needs to be "wipe if a specific pin is entered", so you can wipe it only when you intend to.
Side note, my son has called the cops on several occasions by hitting the emergency button on the lock screen. Kids just have to play with it...

Well one could possibly coat the license plate with a material that left those cameras unable to scan the plate, while any human could read it just fine, not even knowing there was something different about it. I would be totally in favor of that.