Let's pretend that the IFPI wins. This would essentially lay the groundwork for any company forcing an internet service provider to block anything that is against their interests. Sound familiar (I'm looking at you, China)? I could rant about this for some time, but I think this quote from the ISP being sued wraps it up nicely:
“This would be the same as demanding that the postal service should open all letters, and decide which ones should be delivered.”Indeed.