Comment on Are the BNP Racists? by Tom.

The term racist is usually applied only to well defined members of our society.Others acting in the same way will not be called racists.
Thus –
I watched a comic on a TV programme called “Live at the Apollo”.
His joke – “which key will open any door ?” Answer “A Pikey” All round laughter from the audience.
A BNP member telling the same joke would be hammered.
Can anybody tell me why observers of average intelligence are easily able to accept this sort of stuff when the `right` person says it ?
Also ,the programme was a repeat.