Maybe this is one of the subtle cultural differences, but surely you agree it isn't fair to judge someone on your own cultural standard on the internet over something simple as a few words? If your truely offended by him, just ignore him.
In my mind the conversation is richer if we don't need to be so careful about dropping to the "Lowest Common denominator". Let there be colour, excitement, rants and exaggeration. In the end I think it helps understand people more then putting on the facade of beige that so many politically correct people insist on.