Yeah I get that. The problem is that you can't exchange one for the other: no amount of non-privacy would have prevented this attack. This has been proven over

Yeah I get that. The problem is that you can't exchange one for the other: no amount of non-privacy would have prevented this attack. This has been proven over and over again, even all the way back to the 17th century. But even this attack alone proves it. They were known to police expressing the exact creed they carried out.