what would the world be like today if EVERYONE liked the same things & there was no arguing over opinions?
when a person argues with you, its because s/he believes that his/her way of life-on the topic being discussed-is the right way & all other thousand ways or minhagim (of lighting chanuka candles or leaning on pesach etc…) are wrong. sadly they will not listen to someone elses opinion cause in todays day we are living in the generation of self-centeredness & instant gratification where everything is ME ME & ONLY ME.