It was a reminder that people will always be people; wherever we go, there will be stimuli to which we may react with aggression, anger, irritation, or hurt. Each response is a choice we made long ago, and is now so ingrained and automatic that it seems like a "feeling." The problem is about us, not about those who stimulate us in ways we don't like.
[From Bishop Paul Marshall's May 2006 column for secular newspapers, usually different from his column in Diocesan Life. Read it all at the pdf file below.]