Because we are humans, and care about our children? I don't have kids, but I suppose we will both understand this when we have one. Children are an excellent a

Because we are humans, and care about our children? I don't have kids, but I suppose we will both understand this when we have one. Children are an excellent argument. Many revolutions started because students were beaten by the police (or sent to war), and it made their parents angry. Children are other people in the world we care about the most, and only by caring about other people a just society can exist. So take it as a road to privacy regulations. I wish engineers understood this better, and wouldn't shy from doing the same. The argument "think about the children" is often invoked by conservatives in support of authoritarian policies, but there is no reason why it can't be an argument for democratic and liberal positions.