Firstly, by showing his intolerance to the outgroup accent, he was protecting his own cultural identity and upholding the superiority of Australian accent. Secondly, the certain degree of anti-americanism on cultural intolerance may come along with the hidden political discontents. For example, the examiner himself might want to show his discontents over Bush Administration and wars on terrorism.
To conclude, ethnocentrism was detrimental to intercultural communications and we should handle it tactfully through enhancing our IC sensitivity and understandings of other cultures.
Bennett, J. M., & Bennett, M. J. (2004). Developing intercultural sensitivity: An Integrative approach to global and domestic diversity. In D. Landis, J. M. Bennett, & M. J. Bennett (Eds.), Handbook of intercultural training (pp. 147-165). Thousand Oaks, CA: