Let's not forget that it has also managed to accidentally block Sex Education and Advice sites...
Apparently you will also be able to turn the filter off from your ISP options online, so it's not difficult, just bloody patronizing, considering all these ISP's already had opt-in filters that performed exactly the same role. Makes me worried really, if parents cannot even be bothered to request a porn filter to protect their precious child, and instead expect everyone else to do their job for them, what else can they not be bothered to do for their child?