I don't see how doing it in person would change the logic. Aren't we saying that anything you do in public has no expectation of privacy? So some neighbor might

I don't see how doing it in person would change the logic. Aren't we saying that anything you do in public has no expectation of privacy? So some neighbor might be pointing a laser mic at your garden fence conversation from a window 80 meters away but hey, it's a public conversation! That's how I feel when people say "oh there's no expectation of privacy cause you can just sign up with a fake name on a gift card."