How many parents do you think would accept a decision by their children not to use this? Your logic is the logic of police states: it's not to hurt you, it's for your own good, so why do you need privacy anyways?
Whatever the motivations of the authors, they are marketing their product to the unreasonable paranoia of parents (our society is actually really safe, people) and the effect of this software will be to make the lives of many children worse.