They know it is unworkable, they know it is a waste of money so as long as they don't implement it instead of a black mark against them they have the promise of

They know it is unworkable, they know it is a waste of money so as long as they don't implement it instead of a black mark against them they have the promise of "protecting children". They can then go into the election with it as a plus. This is assuming the average aussie is sucked in by this, I have major sampling bias as I surround myself with techies and left wing nuts so I haven't a clue.