Couple of observations:
He's 3rd in line to the train set. He either keeps his head down, or learns to apologise in the news. A lot.
Why was the film made, and who for? How's he picking his friends?
Paki isn't the same as Taffy or Jock, and it is naive to think so. Had the commentary gone, "This is my Jock mate Tam, this is my Taffy mate Dai", (Aussie Bruce etc, you get the drift) etc, then Paki still wouldn't be ok.
Like the German fancy dress issue- not a biggie in the great scheme, but not clever. And there lies the problem perhaps.
CG