If the AFACT is so convinced that internet providers can and should stop all copyright violations on their network, they should start their own ISP. People on this ISP would be subject to all the restrictions that AFACT can dream up, and would furthermore be immune from prosecution for copyright violation, since AFACT is in total control of what happens on their network.
My guess is that this would result in two things. One, some copyright violation would still take place, which would leave AFACT in a tricky position. Two, most people wouldn't bother signing up, because they'd realise that increased surveillance, decreased bandwidth and increased cost is not worth the flimsy assertion that no prosecution will take place.
Mokalus of Borg
PS - I mean, would you pay extra so your internet provider can spy on you?
PPS - Even if you're doing nothing wrong, it's a bad deal.