First, there's a huge difference to blocking access to everyone, and perhaps just allowing access to selected few vs allowing access for everyone and blocking a

First, there's a huge difference to blocking access to everyone, and perhaps just allowing access to selected few vs allowing access for everyone and blocking access to few that could penalize you for doing it. Second, privacy has nothing to do with it, this is not an information we talking about, but a service. A bit like dealing weed/prostitution/etc and actively looking if there isn't any cop around.