Royston, no point discussing with me, so take this up with BBC.
" Commission's report - based on figures from the 2007 Labour Force Survey - was carried out by the centre-left Institute for Public Policy Research think tank. "http://news.bbc.co.uk/1/hi/uk_politics/8137408.stm
When I said no one can give a figure that was literally true. The site you linked to suggests they are a significant group and it says it is a growing one.
I am not a political activist but am a critical user of various media. That is how I know that this is a real issue. Do you deny that it is?