One of the concerns that people have, quite sensibly, is that the new blocks imposed by many ISPs need specific requests to remove the blocks.
So, in order to have an unfiltered internet connection, you have to tell them you want the blocks removed. This is saying you want to access porn, or so it may seem. Indeed, some of the proposed legislation actually specified wording which meant that you specifically asked to access adult material. So, the ISPs now have a perve list. Understandably, people do not want to go on such a list.
As long as ISPs like A&A are allowed to operate without filtering, and people can choose such ISPs, we can avoid this.
Interestingly, when we did have a chat with ISPA members and some MPs a while ago, the MPs were suggesting that a choice not to offer filters would lose an ISP business, and several of us said that the opposite was true - that people find us out because we offer a clean, uncensored, internet service.
Well, tweets like this do kind of support our views on this.