Otherwise it would start getting really really silly and the British would be even more of a laughing stock of the world than it is already.
Accusing people of racism is a double-edged sword, after all.
Being a sensible and rational suggestion, this will of course be IGNORED.
As one of my BNP Facebook friends said:
"Do you think she d be offended if I called her a' useless fat thick waste of space' - I m sure she wouldn t - but if I included the word 'black' she'd have me arrested - funny ol' world sometimes"