Lox - I agree with everything you said above. The point I was trying to make--and I too made it badly--was simply that there are physical realities going on in the world that lend political support to the BNP, which have nothing to do with identity politics.
                Overcrowding, and dwindling services could cause voters who would normally not have a racist bone in their bodies to side with the BNP simply to stop the crowding.