Collateral damage from David Cameron putting pressure on ISPs to block inappropriate content.
Any content blocking is prone to false positives and people will learn that eventually.
> What we’re doing now is simply making sure that the automatic position of Sky Broadband Shield is the safest one for all – that’s ‘on’, unless customers choose otherwise.
src: https://corporate.sky.com/media-centre/our-blog/2015/sky-bro...