It won't work. Ever. VPN's free and paid exist, File sharing exists, Torrents exist, AI pornography generators exist, freenet, tor, I2P all exist. There is no action a government could take that would have any true impact in this regard unless they made the use of the internet illegal, and even at that, it would create a black market in which such things could still be purchased as physical media.
All this does is allow government entities to infringe on privacy rights further by doing what they have always done - hiding behind children.