People don't seem to understand that the entertainment industry doesn't just lobby in the US, but worldwide. A few years ago we had the SOPA scare which imposed draconian measures to stop copyright infringement, and those were proposed by the US. We'll have to accept that every few years, a lobbying attempt manages to get a concrete proposal to the floor either in Congress or in the Commission, and we'll have to respond with outrage every time.
The worst part is that they only need to succeed once - if the laws are changed it will become exponentially harder to change them back. So they have every motivation to keep dumping resources at this.
Don't forget the UK's own porn filter, implementation of which has been delayed following inability to answer the question of "how on earth is this supposed to work?"
Well, the outcome of American Civil War precludes the possibility of, say, Texas Exit, but France Exit or Dutch Exit are still within the realms of reality.