It's in their interest though isn't it, keep the workers at each others throats rather than fighting each others corners. It's worth remembering that most of the journalists in the national press are upper-middle class, who would rarely if ever come into contact with anyone from the working class.
Like I said previously in this thread, it's no surprise that those who form the rank and file of the BNP and EDL are from virtually identical circumstances as those who join gangs across the country, and those typically young Muslim males who are radicalised by these extremist preachers.
The fundamental cause is deprivation and poverty and it transcends race, colour and religion.