If it's opt-in it's entirely useless for its stated goal, because why would the bad guys choose to subject themselves to such scrutiny???!? So the very fact th

If it's opt-in it's entirely useless for its stated goal, because why would the bad guys choose to subject themselves to such scrutiny???!? So the very fact that it is opt-in means it doesn't even try to "protect the children"; it just uses the children argument to promote the idea of total control, which will be then used for a host of other purposes.