It's a common tactic used by governments to push a restriction under a (often emotional) motive that looks legitimate at first and then extend it further. "We

It's a common tactic used by governments to push a restriction under a (often emotional) motive that looks legitimate at first and then extend it further. "We need to do this or that because terrorism and won't somebody please think of the children." "Well, now that it's in place, it would be a shame not to use it against illegal <insert something harmless or subversive here>." And usually they manage to design laws so that diverting their use doesn't require passing through parliament again.