Graham,

I truly am sorry that you had a bad experience at a coffee shop

As has been said earlier I congratulate the restraint you showed.

You seem to have witnessed the grouchy old man syndrome, because he is not proud of his heritage, and is embarrased by it Must rely on insults to convey his speech-not cool

Coffee shops are meant to be conveyers of ideas to get to know others and have some fantastic fun At least you have experienced some dialogue, it is a shame that he would not listen