Piracy is not a legal nor a technical problem for ISPs to fix. It’s a marketing and service delivery problem for content providers to fix.
iTunes showed the world there’s big money to be made in selling people exactly what they want with no nonsense. The equivalent services on offer for movies and TV shows are poor, and cable TV is just plain pathetic.
In a world of high speed internet and media enabled devices, it should be trivial to sell TV shows and moves episodes or season at a time for a reasonable price, that can be played on any device without special software or hardware vendor lock-in, and do so free from advertising.
The video game industry has seen this boom already. There are dozens of online services available now to purchase and play games with few restrictions and for reasonable prices. Why have the media industries (with the exception of Apple iTunes) not figured this out yet? Instead they’re wasting their time on stupid “three strikes” laws, when they should be working out how to beat their competition into delivering a profitable service that keeps paying customers happy.